Title Genres Topics Date (Start) Date (End)
Daily field checking list by Walter Rosene, April 27, 1941 Checklists Field notes Bird watching Birds--Nests Weather Birds--Infancy 1941-04-27 N/A
Daily field checking list by Walter Rosene, April 27, 1941 Checklists Field notes Bird watching Weather 1941-04-27 N/A
Daily field checking list by Walter Rosene, April 27, 1936 Checklists Field notes Bird watching Weather Emberizidae | Sparrows 1936-04-27 N/A
Daily field checking list by Walter Rosene, April 20, 1941 Checklists Field notes Bird watching Weather 1941-04-20 N/A
Daily field checking list by Walter Rosene, April 16, 1939 Checklists Field notes Bird watching Weather 1939-04-16 N/A
Daily field checking list by Walter Rosene, April 14, 1940 Checklists Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Charadriidae | Plovers Weather 1940-04-14 N/A
Daily field checking list by Walter Rosene, April 13, 1941 Checklists Field notes Bird watching Weather 1941-04-13 N/A
Daily field checking list by Walter Rosene, April 1, 1937 Checklists Field notes Bird watching Accipitridae | Hawks and Eagles Weather 1937-04-01 N/A
Curt Nelson letter to Thomas H. Kent regarding a bird sighting, May 27, 1980 Correspondence Field notes Bird watching Birds--Behavior Weather 1980-05-27 N/A
Compiled supporting documentation for the Iowa Ornithologists' Union, Quarterly field report, Spring 1970. Correspondence Field notes Bird watching Birds--Migration Weather 1970-03-01 1970-06-14
Christmas census, Des Moines Audubon Society, December 26, 1925 Field notes Reports Drafts (documents) Bird surveys Bird watching Birds--Counting Weather 1925-12-26 N/A
Christmas bird census, Des Moines Audubon Society, December 26 1934 Field notes Drafts (documents) Articles Bird watching Birds--Counting Weather 1934-12-26 N/A
Carl Priebe letter to Jim Dinsmore regarding bird sighting for the IOU quarterly field report summer 1990, August 6, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Weather 1990-08-06 N/A
Birdwatching notes compiled by Woodward Hart Brown, 1946-1980 Field notes Bird watching Birds--Eggs Birds--Identification Birds--Nests Birdsongs Weather 1946-02-10 1980-02-29
Bery Engebretsen letter to Thomas Kent regarding spring reports, June 2, 1993 Field notes Bird watching Birds--Identification Birdsongs Weather 1993-06-02 N/A
Bery Engebretsen letter to James J. Dinsmore regarding summer bird sightings, August 1, 1993 Correspondence Field notes Bird watching Birds--Habitat Birds--Nests Weather 1993-08-01 N/A
Bery Engebretsen letter to James J. Dinsmore regarding bird sightings, August 2, 1991 Correspondence Field notes Bird watching Birds--Nests Birdsongs Weather 1991-08-02 N/A
Bery Engebretsen letter to Carl J. Bendorf regarding fall bird sightings, December 1, 1987 Correspondence Field notes Bird watching Birds--Counting Gaviiformes | Loons Weather 1987-12-01 N/A
Bery Engebretsen letter to Carl J. Bendorf regarding bird sightings, December 1, 1988 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Weather 1988-12-01 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding winter bird sightings and the Hairy Woodpecker population, February 28, 1983 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather Emberizidae | Sparrows 1983-02-28 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather 1981-07-31 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding field notes, November 25, 1982 Correspondence Field notes Bird declines Bird watching Birds--Counting Birds--Migration Birds--Nests Phasianidae | Pheasants, Turkeys, and Grouse Weather 1982-11-25 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding bird breeding report, August 1, 1982 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Weather 1982-08-01 N/A
Barbara L. Wilson letter to Thomas H. Kent and field notes, fall 1981 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Parulidae | Warblers Weather 1981-08-01 1981-11-30
Barbara L. Wilson letter to James J. Dinsmore regarding the drought conditions and a Bald Eagle sighting, August 10, 1988 Correspondence Field notes Birds--Nests Weather 1988-08-10 N/A