Title Genres Topics Date (Start) Date (End)
Field notes contributed by Tanya Bray, spring 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Fringillidae | Finches Vireonidae | Vireos Parulidae | Warblers Weather 1980-03-01 1980-05-31
Field notes contributed by James P. Sandrock, summer 1984 Correspondence Field notes Forms (documents) Bird watching Birds--Habitat Birds--Identification Birdsongs Weather 1984-06-01 1984-07-31
Field notes contributed by Douglas C. Harr, February 25, 1983 Correspondence Field notes Forms (documents) Animal migration--Climatic factors Bird watching Birds--Research Ornithology--Methodology Weather 1983-02-25 N/A
Field notes contributed by Dennis L. Carter, July 31, 2004 Correspondence Field notes Bird watching Birdsongs Anseriformes | Ducks, Geese, and Swans Nest building Weather Birds--Infancy 2004-07-31 N/A
Field notes contributed by Conrad F. Schlemmer, Council Bluffs, Iowa, winter 1983-1984 Correspondence Field notes Bird watching Weather 1983-12-01 1984-02-28
Field notes contributed by Carol A. Alexander, winter 1992-1993 Correspondence Field notes Birds--Behavior Birds--Identification Rare birds Weather 1992-12-01 1993-02-28
Field notes contributed by Barbara L. Wilson, winter 1983-1984 Correspondence Field notes Bird kills Bird watching Weather 1983-12-01 1984-02-28
Field notes contributed by Barbara L. Wilson, summer 1984 Correspondence Field notes Bird kills Bird watching Birds--Habitat Birds--Nests Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Water birds Weather 1984-06-01 1984-07-31
Field notes contributed by Barbara L. Wilson, spring 1984 Correspondence Field notes Bird watching Birds--Food Birds--Migration Weather 1984-03-01 1984-05-31
Field notes and letter to Thomas H. Kent contributed by Peter Ernzen, spring 1996 Correspondence Field notes Reports Bird watching Birds--Behavior Birds--Counting Birds--Identification Parulidae | Warblers Weather 1996-03-01 1996-05-31
Field notes and letter to Thomas H. Kent contributed by James J. Dinsmore, June 3, 1996 Correspondence Field notes Bird kills Bird watching Birds--Counting Birds--Identification Birds--Migration Birds--Nests Parulidae | Warblers Weather 1996-06-03 N/A
Field notes and letter to James J. Dinsmore contributed by Tanya Bray, July 31, 1989 Correspondence Field notes Reports Bird populations Birds--Counting Weather 1989-07-31 N/A
Field notes and letter from Barbara L. Wilson to Thomas H. Kent regarding spring bird sightings, June 1, 1983 Correspondence Field notes Reports Bird populations Bird watching Birds--Identification Birds--Nests Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Podicipediformes | Grebes Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Ornithology--Methodology Fringillidae | Finches Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Water birds Weather Emberizidae | Sparrows 1983-06-01 N/A
Field notes and John Van Dyk letter to James J. Dinsmore, summer 1996 Correspondence Field notes Bird declines Bird watching Birds--Migration Birdsongs Weather Birds--Infancy Birds--Feeding and feeds 1996-06-01 1996-07-31
Field notes and Douglas C. Harr letter to James J. Dinsmore regarding bird sightings, July 25, 1985 Correspondence Field notes Bird watching Weather Birds--Infancy 1985-07-25 N/A
Field notes and Beth Proescholdt letter, fall 1991 Correspondence Field notes Bird watching Birds--Migration Accipitridae | Hawks and Eagles Weather 1991-08-01 1991-11-30
Field notes and Bery Engebretsen letter to James J. Dinsmore, July 30, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy 1988-07-30 N/A
Field notes and Barbara L. Wilson letter to Thomas H. Kent, November 10, 1991 Correspondence Field notes Bird kills Bird watching Birds--Food Weather 1991-11-10 N/A
Field notes and Barbara L. Wilson letter to James J. Dinsmore, July 28, 1985 Correspondence Field notes Bird watching Birds--Nests Weather Birds--Infancy 1985-07-28 N/A
Field notes and Barbara L. Wilson letter to Carl J. Bendorf, November 28, 1988 Correspondence Field notes Bird feeders Bird watching Birdsongs Weather Birds--Infancy 1988-11-28 N/A
Field notes and Ann Johnson letter to the editor, fall 1991 Correspondence Field notes Bird watching Birdsongs Laridae | Gulls and Terns Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy Emberizidae | Sparrows 1991-08-01 1991-11-30
Field notes and a letter to Thomas H. Kent contributed by Barbara L. Wilson, spring 1982 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Nests Hirundinidae | Swallows Weather 1982-03-01 1982-05-31
Eldon J. Bryant letter to Thomas H. Kent regarding spring bird sightings, Akron, Iowa, May 28, 1984 Correspondence Field notes Bird kills Bird watching Birds--Migration Birds--Research Weather 1984-05-28 N/A
Douglas E. Trapp letter to Thomas H. Kent regarding raptor migration watch, October 3, 1986 Correspondence Field notes Bird watching Birds of prey Birds--Migration Ornithology--Methodology Weather 1986-10-03 N/A
Dorothy Franek letter to Peter C. Peterson regarding her first winter bird population study, March 10, 1969 Correspondence Bird watching Birds--Identification Ornithology--Methodology Weather 1969-01-01 1969-03-31