Title Genres Topics Date (Start) Date (End)
John Van Dyk letter to Thomas H. Kent regarding bird sightings, August 24, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Weather 1980-08-24 N/A
John Van Dyk letter to Thomas H. Kent regarding bird sightings, December 1, 1991 Correspondence Field notes Bird feeders Bird watching Birds--Migration Weather Birds--Infancy 1991-12-01 N/A
John Van Dyk letter to Thomas H. Kent regarding bird sightings, June 1, 1997 Correspondence Field notes Bird feeders Bird watching Birds--Migration Birdsongs Weather Birds--Infancy 1997-06-01 N/A
Field notes contributed by John Van Dyk, fall 1979 Field notes Reports Bird watching Birds--Migration Birds--Research Podicipediformes | Grebes Accipitridae | Hawks and Eagles Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Bombycillidae | Waxwings Weather 1979-08-01 1979-11-30
Tanya Bray letter to Thomas H. Kent regarding bird sightings, July 29, 1980 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather 1980-07-29 N/A
Field notes for spring migration, 1965 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Turdidae | Thrushes Parulidae | Warblers Weather 1965-03-01 1965-05-31
Field notes, winter 1971-72 Field notes Bird populations Bird watching Weather 1971-12-01 1972-02-28
Field notes, winter 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-02-01 1963-02-28
Fall report Field notes Bird watching Birds--Migration Fringillidae | Finches Weather 1978-08-01 1978-11-30
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
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 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, winter 1983-1984 Correspondence Field notes Bird kills Bird watching Weather 1983-12-01 1984-02-28
Field notes with additional documentation contributed by Barbara L. Wilson, winter 1981-1982 Field notes Bird declines Bird kills Bird watching Birds--Behavior Birds--Counting Birds--Identification Weather 1981-12-01 1982-02-28
Field notes contributed by Beth Proescholdt, fall 1982 Field notes Forms (documents) Bird watching Birds--Counting Birds--Migration Fringillidae | Finches Parulidae | Warblers Weather N/A N/A
Field notes contributed by Beth Proescholdt, spring 1982 Field notes Forms (documents) Birds--Migration Fringillidae | Finches Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Weather 1982-03-01 1982-05-31
Field notes contributed by Beth Proescholdt, winter 1981-1982 Field notes Bird watching Weather 1981-12-01 1982-02-28
Field notes contributed by Betty Walters, February 24, 1982 Field notes Forms (documents) Bird watching Weather 1982-02-24 N/A
Field notes contributed by Carl J. Bendorf, winter 1981-1982 Field notes Bird watching Weather 1981-12-01 1982-02-28
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 Conrad F. Schlemmer, fall 1984 Field notes Bird watching Birds--Identification Weather 1984-08-01 1984-11-30
Field notes contributed by Dean Mosman, fall 1982 Field notes Bird watching Weather 1982-08-01 1982-11-30
Field notes contributed by Dean Mosman, June 1, 1982 Field notes Bird watching Weather 1982-06-01 N/A
Field notes contributed by Douglas C. Harr, November 28, 1984 Field notes Forms (documents) Bird watching Water birds Weather Birds--Infancy 1984-11-28 N/A
Field notes contributed by Frederick W. Kent, fall 1965 Field notes Bird populations Bird watching Birds--Migration Certhiidae | Creepers Sylviidae | Kinglets and Gnatcatchers Weather 1965-08-01 1965-11-30