Title Genres Topics Date (Start) Date (End)
Audubon field notes, winter migration, 1963 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-03-31 N/A
Douglas C. Harr letter to Peter C. Petersen regarding bird sightings, June 23, 1977 Correspondence Field notes Bird banding Bird watching Birds--Research 1977-06-23 N/A
Field notes contributed by Thomas H. Kent, winter 1979-1980 Field notes Reports Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology 1979-12-01 1980-02-28
Hank Zaletel letter to Nicholas S. Halmi regarding bird sightings, April 15, 1978 Correspondence Field notes Bird watching Birds--Research 1978-04-15 N/A
Iowa Ornithologists' Union, Quarterly field report, summer 1967 and Audubon field notes for Iowa, summer 1967 Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Laniidae | Shrikes Parulidae | Warblers 1967-06-01 1967-07-31
Nicholas S. Halmi letter to Vernon M. Kleen regarding bird sightings, March 12, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-12 N/A
Woodward H. Brown letter to Nicholas S. Halmi regarding bird sightings, February 12, 1978 Correspondence Field notes Bird watching Birds--Research 1978-02-12 N/A
1977 Iowa Christmas bird count summary Field notes Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
1978 Iowa Christmas bird count summary Field notes Reports Bird populations Bird watching Birds--Counting Birds--Research 1978-12-01 1979-02-28
1978 spring migration, Red Rock Area and Pleasantville Township Field notes Bird watching Birds--Migration Birds--Research 1978-03-01 1978-05-31
1979 Christmas bird count for the state of Iowa Field notes Reports Bird watching Birds--Counting Birds--Habitat Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology Weather 1979-12-01 1980-02-28
Additional field notes from the Spirit Lake Christmas bird count compiled by Douglas C. Harr, December 19, 1987 Field notes Bird watching Birds--Identification Birds--Research Ornithology--Societies, etc 1987-12-19 N/A
American Birds and Iowa Bird Life report, July 31, 1977 Field notes Bird watching Birds--Research 1977-07-31 N/A
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1953 Checklists Field notes Bird watching Birds--Migration Birds--Research 1938-11-17 1959-12-31
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17
Audubon field notes contributed by Woodward H. Brown, August 16, 1966 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Parulidae | Warblers 1966-08-16 N/A
Audubon field notes contributed by Woodward H. Brown, June 6, 1966 Field notes Bird watching Birds--Migration Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Weather 1966-06-06 N/A
Audubon field notes for Des Moines, winter 1963-1964 Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-12-01 1964-02-28
Audubon field notes for Iowa, fall 1966 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1966-08-01 1966-11-30
Audubon field notes for spring 1964 migration contributed by Woodward H. Brown, June 7, 1964 Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-07 N/A
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Audubon field notes for winter migration 1963-1964 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1963-12-01 1964-02-28
Audubon field notes summer migration 1964 contributed by Woodward H. Brown Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology Weather 1964-06-01 1964-07-31
Audubon field notes, fall migration, 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-12-08 N/A
Audubon field notes, fall migration, 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-08-01 1963-11-30