Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research 1977-01-17 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Wildlife refuges 1976-11-23 N/A
Marion M. Brewer letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research 1976-10-27 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, August 17, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1963-08-17 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, December 15, 1962 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-15 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research 1976-08-23 N/A
Peter C. Petersen letter and checklist to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird watching Birds--Research Trapping 1976-12-05 N/A
Fall season Polk County migration, fall 1976 Field notes Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
Red Rock fall migration, 1977 Field notes Bird feeders Bird watching Birds--Migration Birds--Research 1977-08-01 1977-11-30
Red Rock fall migration, 1976 Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-01 1976-11-30
James L. Fuller letter to Thomas H. Kent regarding bird sighting, September 3, 1981 Field notes Bird watching Birds--Research Ornithology--Methodology 1981-09-03 N/A
Virginia R. Crocker letter to Gladys Black regarding bird sighting, November 21, 1981 Field notes Bird watching Birds--Behavior Birds--Research Ornithology--Methodology 1981-11-21 N/A
Field note from George Kramer regarding Cattle Egrets sighting, October 11, 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-10-11 N/A
Field note contributed by Timothy L. Dwyer, August 2, 1981 Field notes Bird watching Birds--Behavior Birds--Identification Birds--Research Ornithology--Methodology 1981-08-02 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
Field notes and map from Michael C. Newlon, Iowa City area, winter 1974-1975 Field notes Maps (documents) Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Fringillidae | Finches Water birds 1974-12-01 1975-02-28
Field notes for American birds, summer 1972 Field notes Bird banding Bird watching Birds--Research Rare birds 1972-08-22 N/A
Bruce Ehresman letter to James J. Dinsmore regarding bird sightings, August 4, 1988 Correspondence Field notes Bird watching Birds--Identification Birds--Research Birds--Infancy 1988-08-04 N/A
Field notes contributed by Carl J. Bendorf, Iowa City, Iowa, spring 1984 Field notes Bird watching Birds--Research 1984-03-01 1984-05-31
Darwin Koenig letter to Thomas H. Kent regarding bird sightings, July 30, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1980-07-30 N/A
Darwin Koenig letter to Thomas H. Kent regarding bird sightings, May 28, 1980 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1980-05-28 N/A
Dean Mosman letter to Thomas H. Kent regarding bird sightings, February 22, 1980 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology 1980-02-22 N/A
Dick Bierman letter to Thomas H. Kent regarding bird sightings in northwest, Iowa, February 5, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Dick Bierman, Cherokee, Iowa, spring 1984 Field notes Forms (documents) Bird watching Birds--Research 1984-03-01 1984-05-31
Dorothy A. Brunner letter to Thomas H. Kent regarding bird sightings, February 21, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-02-21 N/A