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Photograph of wood duck ducklings in a duck house
Date: 1977-05-01/1977-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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A. Starker Leopold letter to Frederic Leopold regarding a paper on wood ducks and a hunting trip, October 3, 1951
Date: 1951-10-03
Creator: Leopold, A. Starker (Aldo Starker), 1913-1983
Contributor: Leopold, Frederic, 1895-1989
Subjects: Wildlife conservationHuntingWood Duck (Aix sponsa)
Darling, F. Fraser (Frank Fraser), 1903-1979Miller, Alden H. (Alden Holmes), 1906-1965
Location: Burlington
Genre: correspondence
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Don Joffray letter to Frederic Leopold regarding wood duck houses and nest takeover and predation, April 20, 1966
Date: 1966-04-20
Creator: Joffray, Don, 1929-
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--NestsBirdhouses--Design and constructionPredatory animalsSquirrels--BehaviorRaccoon--BehaviorWood Duck (Aix sponsa)Eastern Screech-Owl (Otus asio)
Location: Burlington
Genre: correspondence
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Photograph of wood duck houses in trees
Date: 1971-05-01/1971-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Frederic Leopold letter to Merle Strasser regarding wood ducks and Jay N. Darling, May 20, 1966
Date: 1966-05-20
Creator: Leopold, Frederic, 1895-1989
Contributor: Strasser, Merle
Subjects: Wildlife conservationistsBirdhouses--Design and constructionWood Duck (Aix sponsa)
Leopold, Aldo, 1886-1948Darling, Jay N. (Jay Norwood), 1876-1962
Location: BurlingtonDes Moines
Genre: correspondence
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Letter from Wilma Walton with an enclosed letter from Ronald Wright to Frederic Leopold regarding wood ducks, May 28, 1970
Date: 1970-05-28
Creator: Walton, WilmaWright, Ronald
Contributor: Leopold, Frederic, 1895-1989
Subjects: Bird watchingOrnithology--Study and teachingCountry lifeBirdhouses--Design and constructionWood Duck (Aix sponsa)
Location: BurlingtonAnamosa
Genre: correspondence
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Wood duck nesting records, volume two, 1954-1966
Date: 1954-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Contributor: Ware, Robert E.George, Jean
Subjects: Birds--NestsBirds--ResearchOrnithology--MethodologyBirdhousesEggs--IncubationDucks--CountingDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Hawkins, A. S. (Arthur S.)
Location: Burlington
Genre: clippings (information artifacts)correspondencefield notes
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Frederic Leopold letter to Gus Glaser regarding wood duck houses, May 23, 1966
Date: 1966-05-23
Creator: Leopold, Frederic, 1895-1989
Contributor: Glaser, Gus
Subjects: Birdhouses--Design and constructionBird attractingDucklingsWood Duck (Aix sponsa)
Location: BurlingtonFort Dodge
Genre: correspondence
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Hunting journal of Frederic Leopold, 1921-1942
Date: 1921-12-25/1942-11-01
Creator: Leopold, Frederic, 1895-1989
Contributor: Leopold, A. Starker (Aldo Starker), 1913-1983Leopold, Aldo, 1886-1948
Subjects: FowlingHuntingCamping--Equipment and suppliesFishingWood Duck (Aix sponsa)Pileated Woodpecker (Dryocopus pileatus)Mallard (Anas platyrhynchos)Gadwall (Anas strepera)
Location: Columbus JunctionIowa RiverCedar River
Genre: diariesphotographs
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Photograph of three hatching wood duck eggs
Date: 1971-07-01/1971-07-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a wood duck house
Date: 1960-01-01/1960-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Robert F. Vane letter regarding an invitation to the 30th annual convention of the Iowa Ornithologists' Union, April 10, 1952
Date: 1952-04-10
Creator: Vane, Robert F., Dr.
Iowa Ornithologists' UnionCedar Rapids Bird Club
Contributor: Leopold, Frederic, 1895-1989
Subjects: Congresses and conventionsOrnithology--Societies, etc.Ornithology--Study and teaching
Location: BurlingtonCedar Rapids
Genre: correspondence
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Journal of Quetico, White River, West Plains, Iowa River, Keosauqua, and Garner trips
Date: 1936-06-06/1945-11-20
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--CountingFowlingHuntingCamping--Equipment and suppliesCommon Merganser (Mergus merganser)Wood Duck (Aix sponsa)Osprey (Pandion haliaetus)
Leopold, Aldo, 1886-1948Leopold, Edith Dixon, 1897-1981
Location: Iowa RiverKeosauquaGarner
Genre: diariesmemoirs
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Photograph of a male and female wood duck in a tree
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--ResearchWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Bill Gombold letter to Frederic Leopold regarding duck conservation, April 2, 1988
Date: 1988-04-02
Creator: Gombold, Bill
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--ConservationBirds--HabitatWildlife conservation--Law and legislationHunting--Moral and ethical aspectsDuck populations
Location: Burlington
Genre: correspondence
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Peter P. Laude letter to Frederic Leopold regarding the acceptance of the invitation to speak at the Iowa Ornithologists' Union convention, February 13, 1952
Date: 1952-02-13
Creator: Laude, Peter P.
Iowa Ornithologists' Union
Contributor: Leopold, Frederic, 1895-1989
Subjects: Congresses and conventionsOrnithology--Societies, etc.Ornithology--Study and teachingWood Duck (Aix sponsa)
Kent, Frederick W. (Frederick Wallace), 1894-1984
Location: BurlingtonIowa City
Genre: correspondence
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Photograph of a male and female wood duck in a tree
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--ResearchWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a wood duck house and an observation blind in front of Frederic Leopold's house
Date: 1960-01-01/1960-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Merle Strasser letter to Frederic Leopold regarding wood ducks, May 18, 1966
Date: 1966-05-18
Creator: Strasser, Merle
Contributor: Leopold, Frederic, 1895-1989
Subjects: Bird watchingWildlife conservationWildlife conservationistsBirdhousesWood Duck (Aix sponsa)
Leopold, Aldo, 1886-1948Darling, Jay N. (Jay Norwood), 1876-1962
Location: BurlingtonDes Moines
Genre: correspondence
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Frederic Leopold letter to the editor of the St. Paul Pioneer Press Dispatch regarding hunting and the effect on duck populations, April 27, 1988
Date: 1988-04-27
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ConservationHunting--Moral and ethical aspectsWildlife habitat improvementWaterfowl managementDuck populationsWood Duck (Aix sponsa)
Leopold, Aldo, 1886-1948
Location: Burlington
Genre: correspondence
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Photograph of a mother wood duck sitting on eggs in duck house
Date: 1966-05-01/1966-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesEggs--IncubationWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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John C. Welter letter and attached list to Frederic Leopold regarding wood duck houses, May 14, 1970
Date: 1970-05-14
Creator: Welter, John C.
Des Moines County Conservation Board
Contributor: Leopold, Frederic, 1895-1989
Subjects: Bird watchingBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Photograph of a wood duck duckling jumping from duck house
Date: 1966-05-01/1966-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a mother wood duck in a duck house
Date: 1971-07-01/1971-07-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--ResearchBirdhousesWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Lawrence A. Bjonerud letter to Frederic Leopold regarding a Mallard nest and identifying wood ducks, May 16, 1966
Date: 1966-05-16
Creator: Bjonerud, Lawrence A.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--IdentificationBirds--NestsEggs--IncubationDucklingsWood Duck (Aix sponsa)Mallard (Anas platyrhynchos)
Location: BurlingtonDubuque
Genre: correspondence
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Photograph of a wood duck duckling in a duck house
Date: 1971-07-01/1971-07-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Peter P. Laude letter to Frederic Leopold regarding an invitation to view nesting wood ducks, April 16, 1952
Date: 1952-04-16
Creator: Laude, Peter P.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--NestsOrnithology--Study and teachingBirdhousesWood Duck (Aix sponsa)
Location: BurlingtonIowa City
Genre: correspondence
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Photograph of mother wood duck sitting on eggs in a duck house
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchBirdhousesEggs--IncubationWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of wood duck ducklings swimming among plants in water
Date: 1977-06-01/1977-06-30
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Mason City-Clear Lake trip, November 16-17, 1951
Date: 1951-11-16/1951-11-17
Creator: Leopold, Frederic, 1895-1989
Subjects: FowlingHuntingPheasants, Turkeys, Grouse (Phasianidae)
Leopold, Edith Dixon, 1897-1981
Location: BurlingtonClear LakeMason City
Genre: diariesmemoirs
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Photograph of a snake in a wood duck house
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesPredatory animalsWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Frederic Leopold letter to Clarence Schneider regarding a wood duck study, March 29, 1963
Date: 1963-03-29
Creator: Leopold, Frederic, 1895-1989
Contributor: Schneider, Clarence
Subjects: Bird surveysBirds--NestsOrnithology--MethodologyBirdhousesDucks--CountingWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Hunting journals and records: quail studies and trips
Date: 1955-01-01/1977-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Bird surveysBird watchingBirds--ResearchFowlingPheasants, Turkeys, Grouse (Phasianidae)
Leopold, Edith Dixon, 1897-1981
Location: Crystal LakeOquawkaFarmingtonGarner
Genre: diariessurveys (documents)tables (documents)
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Photograph of a wood duck house in tree near the Mississippi River
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: BurlingtonMississippi River, Iowa
Genre: photographs
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Frederic Leopold letter to Keith M. Schreiner regarding Schreiner's thesis and wood duck nest predation, March 5, 1952
Date: 1952-03-05
Creator: Leopold, Frederic, 1895-1989
Contributor: Schreiner, Keith M.
Subjects: Birds--NestsOrnithology--Study and teachingPredatory animalsSquirrels--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Ray Warner letter to Frederic Leopold regarding a wood duck presentation and thoughts on hunting, March 21
Date: 1977-03-21
Creator: Warner, Ray
Contributor: Leopold, Frederic, 1895-1989
Subjects: Ornithology--Study and teachingWildlife conservationHunting--Moral and ethical aspectsWood Duck (Aix sponsa)
Location: BurlingtonMediapolis
Genre: correspondence
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Documents regarding a wood duck study, 1963
Date: 1963-01-01/1963-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Bird surveysBird watchingBirds--NestsBirds--ResearchOrnithology--MethodologyDucklingsWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondencequestionnaires
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Photograph of the inside bottom of a wood duck house
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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A plan to save our ducks
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ConservationBirds--HabitatWildlife conservation--Law and legislationWaterfowl managementDuck populationsWood Duck (Aix sponsa)
Leopold, Aldo, 1886-1948Farrington, S. Kip (Selwyn Kip), 1904-1983Hochbaum, H. Albert (Hans Albert), 1911-1988
Ducks Unlimited
Location: Burlington
Genre: reportsessays
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Frederic Leopold letter to Sue L. Schroder regarding wood duck houses, June 1, 1966
Date: 1966-06-01
Creator: Leopold, Frederic, 1895-1989
Contributor: Schroder, Sue L.
Subjects: Birdhouses--Design and constructionBird attractingWood Duck (Aix sponsa)
Location: BurlingtonDes Moines
Genre: correspondence
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Peter Ward letter to Frederic Leopold regarding raising wood ducks, May 30, 1962
Date: 1962-05-30
Creator: Ward, Peter, 1920-2012
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--Feeding and feedsAvicultureEggs--IncubationDuck populationsDucklingsWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Photograph of wood duck eggs under down feathers
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchBirdhousesWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a snake among duck eggs in a wood duck house
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchBirdhousesPredatory animalsWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of paper covering the entrance to a wood duck house
Date: 1966-05-01/1966-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchOrnithology--MethodologyBirdhouses--Design and constructionWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of recently hatched wood duck ducklings and egg shells in a duck house
Date: 1966-05-01/1966-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchDucklingsWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a mother wood duck with ducklings on the ground
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a mother wood duck diving from a duck house
Date: 1971-07-01/1971-07-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--ResearchBirdhousesWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a wood duck perched on a wood duck house
Date: 1960-01-01/1960-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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A.E. Borell letter to Frederic Leopold regarding wood duck houses, December 12, 1951
Date: 1951-12-12
Creator: Borell, A. E.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirdhousesPredatory animalsDuck populationsWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Experiences with home grown wood ducks
Date: 1965-12-08/1965-12-09
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--NestsPredatory animalsEggs--IncubationDucks--CountingDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Hawkins, A. S. (Arthur S.)
Location: Burlington
Genre: lecture notesreports
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Photograph of Frederic Leopold's house with a wood duck house in a tree
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchWildlife conservationistsBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of mother wood duck and ducklings inside a duck house
Date: 1971-06-01/1977-06-30
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a wood duck duckling jumping from a duck house
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Gus Glaser letter to Frederic Leopold regarding wood duck houses, May 20, 1966
Date: 1966-05-20
Creator: Glaser, Gus
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirdhousesBird attractingWood Duck (Aix sponsa)
Mud Lake Fur Farm
Location: BurlingtonFort DodgeLost Island Lake
Genre: correspondence
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Stella Perkins letter to Frederic Leopold regarding wood duck houses
Date: 1966-05-01/1966-05-18
Creator: Perkins, Stella
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--NestsBirdhousesBird attractingRaccoon--BehaviorZoological illustrationWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Frederic Leopold letter to Peter P. Laude regarding the Iowa Ornithologists' Union annual meeting, January 16, 1952
Date: 1952-01-16
Creator: Leopold, Frederic, 1895-1989
Contributor: Laude, Peter P.
Subjects: Congresses and conventionsOrnithology--Societies, etc.MeetingsWood Duck (Aix sponsa)
Iowa Ornithologists' Union
Location: BurlingtonIowa City
Genre: correspondence
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Frederic Leopold letter to Peter P. Laude regarding an invitation to view the wood ducks and the Iowa Ornithologists' Union annual meeting, February 18, 1952
Date: 1952-02-18
Creator: Leopold, Frederic, 1895-1989
Contributor: Laude, Peter P.
Iowa Ornithologists' Union
Subjects: Birds--HabitatCongresses and conventionsOrnithology--Societies, etc.Ornithology--Study and teachingWood duck--BehaviorWood Duck (Aix sponsa)
Location: BurlingtonIowa City
Genre: correspondence
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Frederic Leopold letter to the Des Moines County Conservation Board regarding wood duck houses, April 21, 1970
Date: 1970-04-21
Creator: Leopold, Frederic, 1895-1989
Des Moines County Conservation Board
Subjects: Bird watchingBirdhousesDuck populationsWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Frederic Leopold letter regarding a request for wood duck house information, February 1, 1952
Date: 1952-02-01
Creator: Leopold, Frederic, 1895-1989
Contributor: Wilkison, Ronald H.
Subjects: Birdhouses--Design and constructionBird attractingWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Photograph of wood duck ducklings swimming in a bucket
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Lee Miller letter to Frederic Leopold regarding wood duck houses, February 8, 1952
Date: 1952-02-08
Creator: Miller, Lee
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birdhouses--Design and constructionDuck populationsDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: BurlingtonCoon Rapids
Genre: correspondence
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Photograph of an adult wood duck leaving a duck house
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Peter P. Laude letter to Frederic Leopold regarding an invitation to speak at the Iowa Ornithologists' Union convention, January 10, 1952
Date: 1952-01-10
Creator: Laude, Peter P.
Iowa Ornithologists' Union
Contributor: Leopold, Frederic, 1895-1989
Subjects: Congresses and conventionsOrnithology--Societies, etc.Ornithology--Study and teachingMeetingsWood Duck (Aix sponsa)
Tuttle, Ries
Cedar Rapids Bird Club
Location: BurlingtonIowa City
Genre: correspondence
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30th Annual Iowa Ornithologists' Union Convention program, May 10-11, 1952
Date: 1952-05-10/1952-05-11
Iowa Ornithologists' Union
Contributor: Leopold, Frederic, 1895-1989
Subjects: Congresses and conventionsOrnithology--Societies, etc.MeetingsWood Duck (Aix sponsa)
Cedar Rapids Bird Club
Location: Cedar Rapids
Genre: printed ephemera
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Frederic Leopold letter to Clarence W. Moody regarding a wood duck study, March 29, 1963
Date: 1963-03-29
Creator: Leopold, Frederic, 1895-1989
Contributor: Moody, Clarence W.
Subjects: Bird surveysBird watchingBirds--NestsOrnithology--MethodologyDucks--CountingWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Photograph of Frederic Leopold on a ladder checking a wood duck house
Date: 1965-01-01/1965-12-31
Subjects: Bird watchersBirds--ResearchBirdhousesWood Duck (Aix sponsa)
Leopold, Frederic, 1895-1989
Location: Burlington
Genre: photographs
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Nesting wood duck study (35 Years)
Date: 1984-01-01/1984-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--NestsBirds--ResearchOrnithology--MethodologyBirdhousesPredatory animalsWaterfowl managementEggs--IncubationDucks--CountingDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Hawkins, A. S. (Arthur S.)Bellrose, Frank C. (Frank Chapman), 1916-2005
Location: Burlington
Genre: reportstables (documents)
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Photograph of wood duck eggs and nesting material in a duck house
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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K.D. Bartell letter to Frederic Leopold regarding a request for information on wood duck houses, January 9, 1952
Date: 1952-01-09
Creator: Bartell, K. D.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birdhouses--Design and constructionBird attractingWood Duck (Aix sponsa)
Tuttle, Ries
Cresco Wildlife Club
Location: BurlingtonCresco
Genre: correspondence
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Frederic Leopold letter to Stella Perkins regarding wood duck houses, May 19, 1966
Date: 1966-05-19
Creator: Leopold, Frederic, 1895-1989
Contributor: Perkins, Stella
Subjects: Birds--EggsBirdhouses--Design and constructionBird attractingRaccoon--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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Frederic Leopold letter to Don Joffray regarding wood duck houses and nest predation, April 25, 1966
Date: 1966-04-25
Creator: Joffray, Don, 1929-
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--NestsBirdhouses--Design and constructionPredatory animalsRaccoon--BehaviorWood Duck (Aix sponsa)Eastern Screech-Owl (Otus asio)
Location: Burlington
Genre: correspondence
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Photograph of a wood duck duckling diving from a duck house
Date: 1971-07-01/1971-07-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Frederic Leopold letter to Grace McManis regarding wood duck houses, May 17, 1966
Date: 1966-05-17
Creator: Leopold, Frederic, 1895-1989
Contributor: McManis, Grace
Subjects: Birdhouses--Design and constructionBirds--Feeding and feedsDucklingsWood Duck (Aix sponsa)
Location: BurlingtonMontrose
Genre: correspondence
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Ries Tuttle letter to Frederic Leopold with a forwarded letter from Ronald H. Wilkison regarding wood duck houses, January 9, 1952
Date: 1952-01-09
Creator: Tuttle, RiesWilkison, Ronald H.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birdhouses--Design and constructionBird attractingWood Duck (Aix sponsa)
Location: BurlingtonDes MoinesIowa City
Genre: correspondence
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Photograph of Frederic Leopold dressed in suit
Date: 1971-01-13
Donnellson Star
Subjects: Wildlife conservationists
Leopold, Frederic, 1895-1989
Location: Donnellson
Genre: photographs
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Clark Hollingsworth letter to Frederic Leopold regarding a request for information on wood ducks, January 6, 1952
Date: 1952-01-06
Creator: Hollingsworth, Clark
Contributor: Leopold, Frederic, 1895-1989
Subjects: Ornithology--Study and teachingBirds--Feeding and feedsBird attractingWood Duck (Aix sponsa)
Location: BurlingtonCenterville
Genre: correspondence
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Frederic Leopold letter to Peter P. Laude regarding nesting wood ducks and the Iowa Ornithologists' Union annual convention, May 12, 1952
Date: 1952-05-12
Creator: Leopold, Frederic, 1895-1989
Contributor: Laude, Peter P.
Iowa Ornithologists' Union
Subjects: Birds--HabitatBirds--NestsCongresses and conventionsOrnithology--Societies, etc.Wood Duck (Aix sponsa)
Location: BurlingtonIowa City
Genre: correspondence
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Wood duck nesting records, volume three, 1967-1978
Date: 1967-01-01/1978-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--NestsBirds--ResearchOrnithology--MethodologyBirdhousesEggs--IncubationDucks--CountingDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Iowa Ornithologists' Union
Location: Burlington
Genre: clippings (information artifacts)correspondenceprinted ephemerafield notes
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Report to wood duck observers with attached mailing list, September 13, 1963
Date: 1963-09-13
Creator: Leopold, Frederic, 1895-1989
Subjects: Bird surveysBird watchersBirds--NestsBirds--ResearchOrnithology--MethodologyBirdhouses--Design and constructionDucks--CountingWood Duck (Aix sponsa)
Location: Burlington
Genre: reports
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Photograph of a mother wood duck and ducklings walking on grass
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Wood duck nesting records, volume one, 1939-1953
Date: 1939-01-01/1953-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--NestsBirds--ResearchOrnithology--MethodologyBirdhousesEggs--IncubationDucks--CountingDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Leopold, Aldo, 1886-1948Hawkins, A. S. (Arthur S.)Leopold, Edith Dixon, 1897-1981Leopold, Edith L., 1920-2001
Location: Burlington
Genre: clippings (information artifacts)field notes
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Frederic Leopold letter to John C. Welter regarding a request for wood duck house information, September 14, 1964
Date: 1964-09-14
Creator: Leopold, Frederic, 1895-1989
Contributor: Welter, John C.
Subjects: Birdhouses--Design and constructionBird attractingWood Duck (Aix sponsa)
Des Moines County Conservation Board
Location: Burlington
Genre: correspondence
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Grace McManis letter to Frederic Leopold regarding wood ducks, May 15, 1966
Date: 1966-05-15
Creator: McManis, Grace
Contributor: Leopold, Frederic, 1895-1989
Subjects: Bird bandingCountry lifeBirdhouses--Design and constructionAvicultureDucklingsWood Duck (Aix sponsa)
Location: BurlingtonMontrose
Genre: correspondence
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Photograph of a mother wood duck and ducklings inside a duck house
Date: 1966-01-01/1966-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of wood duck houses in trees
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchBirdhousesWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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John C. Welter letter to Frederic Leopold regarding wood duck house information, September 9, 1964
Date: 1964-09-09
Creator: Welter, John C.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birdhouses--Design and constructionBird attractingWood Duck (Aix sponsa)
Des Moines County Conservation Board
Location: Burlington
Genre: correspondence
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Documents regarding a wood duck study, February 27, 1964
Date: 1964-02-27
Creator: Leopold, Frederic, 1895-1989
Subjects: Bird surveysBird watchersBirds--NestsBirds--ResearchOrnithology--MethodologyPredatory animalsDucks--CountingDucklingsWood Duck (Aix sponsa)
Location: Burlington
Genre: checklistscorrespondencequestionnaires
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Raymond Findley letter to Frederic Leopold regarding a request for information on wood duck houses, February 4, 1952
Date: 1952-02-04
Creator: Findley, Raymond
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--NestsCountry lifeBirdhouses--Design and constructionBird attractingWood Duck (Aix sponsa)
Tuttle, Ries
Location: BurlingtonLinn Grove
Genre: correspondence
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Photograph of wood duck ducklings swimming
Date: 1971-06-01/1977-06-30
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchDucklingsWood duck--BehaviorWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of a wood duck in a house
Date: 1965-01-01/1965-12-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--ResearchOrnithology--MethodologyBirdhouses--Design and constructionWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of five hatching wood duck eggs
Date: 1971-06-01
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Frederic Leopold letter to A.S. Hawkins regarding hunting and the effect on duck populations, January 13, 1988
Date: 1988-01-13
Creator: Leopold, Frederic, 1895-1989
Contributor: Hawkins, A. S. (Arthur S.)
Subjects: Birds--ConservationBirds--HabitatHunting--Moral and ethical aspectsWildlife habitat improvementWaterfowl managementDuck populationsWood Duck (Aix sponsa)
Leopold, Aldo, 1886-1948
Location: Burlington
Genre: correspondence
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Photograph of wood duck eggs beginning to hatch
Date: 1966-05-01/1966-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Photograph of Frederic Leopold and John Hale near Two Key Island, Mississippi River above Iowa River
Date: 1940-01-01/1940-12-31
Subjects: Fowling
Leopold, Frederic, 1895-1989Hale, John
Location: Mississippi River, IowaIowa River
Genre: photographs
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Photograph of Frederic Leopold and a hunting dog
Date: 1978-01-01/1978-12-31
Subjects: WinterHunting
Leopold, Frederic, 1895-1989
Genre: photographs
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Sue L. Schroder letter to Frederic Leopold regarding wood ducks, May 29, 1966
Date: 1966-05-29
Creator: Schroder, Sue L.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Country lifeBirdhousesBird attractingWood Duck (Aix sponsa)
Location: BurlingtonDes Moines
Genre: correspondence
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Frederic Leopold letter to Lawrence A. Bjonerud regarding identifying wood ducks, May 18, 1966
Date: 1966-05-18
Creator: Leopold, Frederic, 1895-1989
Contributor: Bjonerud, Lawrence A.
Subjects: Birds--HabitatBirds--IdentificationBirds--NestsWood Duck (Aix sponsa)Mallard (Anas platyrhynchos)
Location: BurlingtonDubuque
Genre: correspondence
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Photograph of wood duck ducklings nesting among egg shells and nesting material
Date: 1966-05-01/1966-05-31
Creator: Leopold, Frederic, 1895-1989
Subjects: Birds--EggsBirds--ResearchDucklingsWood Duck (Aix sponsa)
Location: Burlington
Genre: photographs
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Keith M. Schreiner letter to Frederic Leopold regarding a wood duck nesting study paper, February 21, 1952
Date: 1952-02-21
Creator: Schreiner, Keith M.
Contributor: Leopold, Frederic, 1895-1989
Subjects: Birds--HabitatBirds--NestsOrnithology--Study and teachingPredatory animalsSquirrels--BehaviorDucklingsWood Duck (Aix sponsa)
Location: Burlington
Genre: correspondence
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