Bird watching 6268 Birds--Identification 3961 Iowa State University 3216 Rare birds 2881 Ornithology 2688 Landscape architecture 1871 Birds--Counting 1654 Veterinary medicine 1507 Iowa State University. College of Veterinary Medicine 1379 Ornithology--Societies, etc. 1312 Birds--Research 1079 Agriculture 1070 Agricultural machinery 1037 Skromme, Lawrence H. 1001 Agricultural literature 991 Birds--Nests 903 Iowa Ornithologists' Union Records Committee 900 Universities and colleges--Faculty 836 Birdsongs 798 Agricultural implements 794 Kent, Thomas H. (Thomas Hugh), 1934- 739 Weather 708 Ornithology--Methodology 646 Dial-a-message telephone calls 619 Warblers (Parulidae) 607 Families 592 Birds--Infancy 578 Home economics 574 Country life 569 Cooking 566 Driftmier family 553 College students 520 Veterinary students 478 Birds--Migration 471 Veterinarians 431 Bald Eagle (Haliaeetus leucocephalus) 391 College buildings 380 Peregrine Falcon (Falco peregrinus) 375 Shore-birds, Gulls, and Auks (Charadriiformes) 361 Avian medicine 356 Homecoming 347 American White Pelican (Pelecanus erythrorhynchos) 346 Dinsmore, James J. 339 Veterinary pathology 338 Loggerhead Shrike (Lanius ludovicianus) 329 Merlin (Falco columbarius) 329 Birds--Behavior 328 Ducks, Geese, and Swans (Anseriformes) 328 Bird feeders 318 Cooper's Hawk (Accipiter cooperii) 309 Northern Goshawk (Accipiter gentilis) 308 Campus planning 304 DuMont, Philip A. (Philip Atkinson), 1903-1996 303 Universities and colleges--Landscape architecture 300 Football 287 Red-breasted Nuthatch (Sitta canadensis) 283 Double-crested Cormorant (Phalacrocorax auritus) 282 Cattle Egret (Bubulcus ibis) 279 Clothing and dress 278 Wildlife conservation 275 Fashion 274 Costume 273 Fashion drawing 270 Fashion prints 270 Common Loon (Gavia immer) 266 Osprey (Pandion haliaetus) 265 Botany 261 Ink, Dwight, 1922- 261 Northern Shrike (Lanius borealis) 259 Pine Siskin (Spinus pinus) 258 Black-crowned Night Heron (Nycticorax nycticorax) 254 Great Blue Heron (Ardea herodias) 254 Northern Harrier (Circus hudsonius) 249 Sandhill Crane (Grus canadensis) 248 Carolina Wren (Thryothorus ludovicianus) 247 Golden Eagle (Aquila chrysaetos) 247 Red-tailed Hawk (Buteo jamaicensis) 239 Upland Sandpiper (Bartramia longicauda) 238 American Kestrel (Falco sparverius) 236 Red-shouldered Hawk (Buteo lineatus) 231 Dark-eyed Junco (Junco hyemalis) 226 Western Grebe (Aechmophorus occidentalis) 226 Swainson's Hawk (Buteo swainsoni) 225 Tundra Swan (Cygnus columbianus) 222 Prairie Falcon (Falco mexicanus) 214 Short-eared Owl (Asio flammeus) 211 Politics and government 209 Snowy Owl (Bubo scandiacus) 209 White-winged Scoter (Melanitta fusca) 209 Sandpipers, Phalaropes, and allies (Scolopacidae) 208 Little Blue Heron (Egretta caerulea) 206 Thayer's Gull (Larus thayeri) 204 Iowa Agriculture and Home Economics Experiment Station 203 Gulls and Terns (Laridae) 202 Farmers--Political activity 201 Great Egret (Ardea alba) 201 Rough-legged Hawk (Buteo lagopus) 200 Iowa State University. Library 198 Broad-winged Hawk (Buteo platypterus) 197

Iowa 4535 Iowa--Story County 3876 Iowa--Ames 3633 Saylorville Lake 544 United States 477 Ames 476 Boone County 419 Lake Red Rock 377 Coralville Lake 372 Iowa City 354 Cone Marsh Wildlife Management Area 319 Ledges State Park 308 MidAmerican Energy Ponds 273 Burlington 259 Washington (D.C.) 255 Des Moines 239 Forneys Lake 216 Lacey-Keosauqua State Park 203 Riverton Wildlife Management Area 198 Hickory Hill Park 192 Shimek State Forest Wildlife Management Area - Croton Unit 189 DeSoto National Wildlife Refuge 185 Iowa--Des Moines 185 Rathbun Lake 185 Otter Creek Marsh State Wildlife Refuge 182 Spirit Lake 176 Mason City 166 Hawkeye Wildlife Management Area 164 Hendrickson Marsh Lake 164 Sweet Marsh 162 Union Slough National Wildlife Refuge 162 Big Creek State Park 159 Fremont County 156 Waubonsie State Park 155 Pleasant Creek State Park 150 Davenport 146 Illinois--Chicago 145 Little Wall Lake 143 Grammer Grove County Wildlife Area 138 Polk County 137 Germany 136 Lake Manawa 132 Cedar Rapids 130 Johnson County 127 Red Rock Dam 127 Allamakee County 121 Yellow River State Forest 114 Mills County 108 Jester Park 107 Fairfield 106 Kettleson Hogsback Wildlife Management Area 103 Sandpiper Recreation Area 103 Sioux City 103 Black Hawk Lake 101 Clear Lake 101 Colo Bogs Wildlife Management Area 101 Willow Slough State Game Management Area 98 Lake Macbride State Park 95 Massachusetts--Boston 93 Bays Branch State Wildlife Area 92 Goose Lake 91 George Wyth Memorial State Park 90 Cardinal Marsh State Wildlife Area 88 Pennsylvania--Kennett Square 87 Rush Lake 87 Saylorville Dam 87 Brookside Park 86 Iowa--Scott County 86 Cedar Lake 85 Sioux Center 85 Pennsylvania--Harrisburg 84 Snake Creek State Game Management Area 84 Story County 84 Waterloo 84 Cherokee 83 Iowa--Princeton 81 Big Creek Lake 80 Cerro Gordo County 80 Florida 79 Trumbull Lake 79 Zirbel Slough 76 Lake MacBride 74 Lake Manawa State Park 74 Iowa--Polk County 73 Warren County 73 Alaska 72 Spencer 72 Decorah 71 Liscomb 71 Dickinson County 70 Effigy Mounds National Monument 70 Harrier Marsh 70 Ogden 69 Runnells Overlook 68 Silver Lake 67 Sioux County 67 Jemmerson Slough Wildlife Management Area 66 Iowa--Council Bluffs 65 Lee County 63 Marshalltown 63

Iowa State University 1979 Iowa Ornithologists' Union 1540 Iowa State University. College of Veterinary Medicine 1424 United States. Works Progress Administration (Iowa) 1332 Rosene, Walter M., Sr., 1880-1941 802 Fuller, James L. 641 Iowa Ornithologists' Union Records Committee 568 Driftmier Pub. Co. 553 Driftmier, Leanna Field, 1937-1986 553 Kent, Thomas H. (Thomas Hugh), 1934- 396 American Association of Avian Pathologists 340 Dinsmore, Stephen J. 322 Iowa State University. Office of Facilities Planning and Management 301 Leopold, Aldo, 1886-1948 300 Heywood, Hortense Butler, 1884-1977 203 Hayden, Ada, 1884-1950 184 National Farmers Organization (U.S.) 179 Petersen, Peter C. 176 Lippisch, Alexander, 1894-1976 165 Iowa State University. Department of Athletics 159 Dinsmore, James J. 155 Proescholdt, Mark 152 Big Bluestem Audubon Society 149 Moore, Francis L. 144 Errington, Paul L. (Paul Lester), 1902-1962 139 Davidson, J. Brownlee (Jay Brownlee), 1880-1957 135 Petersen, Christian, 1885-1961 129 Carver, George Washington, 1864?-1943 127 Ink, Dwight, 1922- 127 Pammel, L. H. (Louis Hermann), 1862-1931 127 DuMont, Philip A. (Philip Atkinson), 1903-1996 118 Iowa State College 117 Myers, Robert K. 117 Wilson, Barbara L. 113 Cummins, Raymond L. 112 Cecil, Robert I. 105 Newlon, Michael C. 105 Proescholdt, Beth 104 Padelford, Babs 101 Zaletel, Hank 99 American Society of Andrology 92 Dean, Percy 91 Johnson, Ann 90 Martsching, Paul 86 Underwood, Sarah, 1829-1883 85 Harr, Douglas C. 84 Padelford, Loren 82 Atanasoff, John V. (John Vincent) 80 Bierman, Dick 79 Schoenewe, Lee A. 78 Black, Gladys 77 Brown, Woodward H. 74 Leopold, Frederic, 1895-1989 74 Bray, Tanya 72 Sinclair, Jim 72 Bendorf, Carl J. 69 Brewer, Marion M. 67 Schaufenbuel, Joseph P. 67 Engebretsen, Bery 65 WOI-TV (Television station : Ames, Iowa) 65 Ames Audubon Society 64 Staudt, Thomas J. 63 Koenig, Darwin 62 Silcock, W. Ross 62 Huser, Bill F. 56 Van Dyk, John, 1936- 54 Edwards, David C. 53 Manning, Warren H. (Warren Henry), 1860-1938 53 Halmi, Nicholas S. 51 Hollis, Richard Jule 51 Armstrong, Eugene 47 Iowa State University. Statistical Laboratory 47 Allen, Pam 46 Goranson, Rita 46 Iowa Seed Co. 46 Thelen, Ed 46 Ernzen, Peter 44 Mosman, Dean 44 Porter, Diane C. 44 Kennedy, Edward M. (Edward Moore), 1932-2009 43 Carter, Dennis L. 42 Armstrong, Eloise 40 Allen, Reid I. 39 Welch, A. S. (Adonijah Strong), 1821-1889 38 Lesher, Fred 37 Sandrock, James P., 1929- 37 Edwards, Chris 36 Fischer, Carolyn J. 36 Iowa State University. Office of the Registrar 36 Walter, Jan L. 36 Pinkston, Randall 35 Van Der Linden, Judy 35 Breeding Bird Atlas Committee 34 Dankert, David L. 33 Petersen, Marietta 33 Johnson, Thomas N. 32 Kenne, Matthew 30 Pascal, Descartes, 1870-1937 30 Shivvers, Rebecca A. 30

photographs 8118 field notes 3642 correspondence 1454 correspondence;field notes 1239 field notes;forms (documents) 1053 lectures 971 administrative records;clippings (information artifacts);field notes 645 serials (publications) 590 catalogs (documents) 548 checklists;field notes 501 administrative records;field notes 465 color slides 326 advertisements 313 oral histories (literary genre) 297 administrative records 291 field notes;reports 280 reports 274 fashion plates 270 newsletters 250 souvenir programs 164 motion pictures (visual works);black-and-white films (visual works);short subjects;16mm (photographic film size) 113 school yearbooks 110 administrative records;clippings (information artifacts);field notes;photographs 99 field notes;surveys (documents) 83 administrative records;correspondence;field notes 72 programs (documents) 67 television programs;news bulletins 65 clippings (information artifacts) 63 design drawings 59 official reports 58 annual reports 54 motion pictures (visual works);color films (visual works);short subjects;16mm (photographic film size) 54 mail order catalogs 53 speeches (documents) 53 administrative records;clippings (information artifacts);correspondence;field notes 49 articles 49 fliers (printed matter) 49 administrative records;field notes;photographs 45 correspondence;field notes;forms (documents) 43 press releases 42 field notes;forms (documents);reports 39 sculpture (visual works);photographs 39 memorandums 38 checklists 35 research notes 35 local histories 34 price lists 32 architectural drawings (visual works); architectural documents 30 glass plate negatives 30 instructional materials 30 technical drawings 27 maps (documents) 26 administrative records;clippings (information artifacts);correspondence;field notes;photographs 24 brochures 23 interviews 23 pocket books (books) 21 printed ephemera 21 site plans 21 planting plans; cartographic materials 20 administrative reports 19 administrative records;field notes;forms (documents) 18 booklets 18 directories 18 notes (documents) 18 pamphlets 18 periodicals 17 administrative reports;professional papers 16 diaries 16 television programs 16 buttons (information artifacts) 15 graphs 15 minutes (administrative records) 15 maps (documents);cartographic materials 14 atlases;illustrations (layout features) 13 cookbooks 13 drawings (visual works);children's books 13 notebooks 13 postcards 13 administrative records;correspondence;field notes;photographs 12 correspondence;field notes;reports 12 manuscripts (documents) 12 checklists;correspondence;field notes 11 checklists;questionnaires;research notes 11 drafts (documents);articles 11 lecture notes 11 letters (correspondence) 11 motion pictures (visual works);silent films;black-and-white films (visual works) 11 portraits;busts (sculpture);sculpture (visual works);photographs 11 badges 10 descriptions (documents) 10 drawings (visual works) 9 forms (documents);newsletters 9 newspaper clippings 9 programs (documents);invitations 9 academic addresses (documents) 8 drawings (visual works);sketches 8 site plans; cartographic materials 8 constitutions 7 correspondence;field notes;maps (documents) 7