Title Genres Topics Date (Start) Date (End)
1978 fall report Field notes Bird populations Bird watching Birds--Counting Birds--Migration Parulidae | Warblers 0198-08-01 1978-11-30
Ron Muilenburg letter to Nicholas S. Halmi regarding bird sightings, June 8, 1977 Correspondence Field notes Bird populations Bird watching Birds--Migration 1977-06-08 N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1976 Field notes Bird populations Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
1977 Spring Report, parts I and II Field notes Bird declines Bird populations Bird watching Birds--Migration 1977-03-01 1977-05-31
Audubon field notes for winter 1964-1965 contributed by Frederick W. Kent Field notes Bird declines Bird populations Bird watching Birds--Migration 1964-12-01 1965-02-28
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 on the nesting season contributed by Woodward H. Brown, August 15, 1965 Field notes Bird banding Bird populations Bird watching Birds--Nests Turdidae | Thrushes 1965-08-15 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 summer 1965 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Laniidae | Shrikes 1965-06-01 1965-07-31
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
Woodward H. Brown letter to Peter C. Petersen regarding Aubudon field notes, December 9, 1964 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1964-12-09 N/A
Audubon field notes for fall migration, 1965 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Weather 1965-08-01 1965-11-30
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
Letter from Herb Dorow to Nicholas G. Halmi Regarding Bird Sightings in Jasper County, August 20, 1976 Correspondence Field notes Bird populations Bird watching Parulidae | Warblers 1976-08-20 N/A
Bird sighting checklist, fall 1979 Checklists Field notes Bird populations Bird watching Birds--Identification 1979-08-01 1979-11-30
Gene Burns letter to Nicholas S. Halmi regarding bird sightings, February 13, 1977 Correspondence Field notes Bird populations Bird watching Binoculars 1977-02-13 N/A
John Van Dyk letter to Nicholas S. Halmi regarding bird sightings, February 12, 1977 Correspondence Field notes Bird populations Bird watching Rare birds 1977-02-12 N/A
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings, February 14, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-14 N/A
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, winter 1976-1977 Correspondence Field notes Bird populations Bird watching 1976-12-01 1977-02-28
Marie Carlson letter to Nicholas S. Halmi regarding bird sightings, February 9, 1977 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Research Ornithology--Methodology 1977-02-09 N/A
Letter from Janet Greer to Vernon M. Kleen reporting a Snowy Egret, May 22, 1974. Correspondence Field notes Bird populations Bird watching Birds--Behavior 1974-03-01 1974-05-31
Field reports form, contributed by Rita E. Efta, fall 1986 Field notes Forms (documents) Bird populations Bird watching Birds--Nests 1986-08-01 1986-11-30
Dean Mosman letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird populations Bird watching Radio and television tower bird strikes Parulidae | Warblers 1976-08-01 1976-11-30
Stella M. Kirkendall letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird populations Bird watching Birds--Food 1976-12-16 N/A