Title Genres Topics Date (Start) Date (End)
Field notes contributed by John Van Dyk, winter 1982-1983 Field notes Reports Bird declines Bird populations Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Galliformes | Quails, Pheasants, Turkeys, and Grouse Weather 1982-12-01 1983-02-28
Field notes contributed by John Van Dyk, winter 1978-1979 Field notes Reports Bird watching Birds--Counting Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Accipitridae | Hawks and Eagles Alaudidae | Larks Phasianidae | Pheasants, Turkeys, and Grouse Fringillidae | Finches Weather 1978-12-01 1979-02-28
Field notes contributed by Ronald Harms, winter 1982-1983 Correspondence Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1982-12-01 1983-02-28
Field notes contributed by Peter C. Petersen, winter 1982-1983 Field notes Reports Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Ornithology--Methodology 1982-12-01 1983-02-28
Wood Duck nesting records, volume one, 1939-1953 Clippings (information artifacts) Field notes Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1939-01-01 1953-12-31
Wood Duck nesting records, volume two, 1954-1966 Clippings (information artifacts) Correspondence Field notes Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1954-01-01 1966-12-31
Wood Duck nesting records, volume three, 1967-1978 Clippings (information artifacts) Correspondence Printed ephemera Field notes Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1967-01-01 1978-12-31