Title Genres Topics Date (Start) Date (End)
Documents regarding a Wood Duck study, 1963 Correspondence Questionnaires Bird surveys Bird watching Birds--Nests Birds--Research Ornithology--Methodology Ducklings 1963-01-01 1963-12-31
Peter C. Petersen letter to Thomas H. Kent regarding bird sightings, July 29,1979 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1979-07-29 N/A
Documents regarding a Wood Duck study, February 27, 1964 Checklists Correspondence Questionnaires Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Predatory animals Ducks--Counting Ducklings 1964-02-27 N/A
Letter from Robert Jessen to Vernon M. Kleen regarding birds sighted near Oskaloosa, summer 1974 Correspondence Field notes Bird watching Birds--Nests Birds--Research Troglodytidae | Wrens 1974-06-01 1974-07-31
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
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
Barbara L. Wilson letter to Thomas H. Kent regarding bird breeding report, August 1, 1982 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Weather 1982-08-01 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird counts of Snowy Owl and Northern Shrike, February 28, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1977-02-28 N/A
James J. Dinsmore letter to Nicholas S. Halmi regarding bird migrations, fall 1976 Correspondence Field notes Bird watching Birds--Research 1976-11-19 N/A
John Van Dyk letter to Nicholas S.Halmi regarding bird migration, fall 1976 Correspondence Field notes Bird watching Birds--Research Rare birds 1976-12-04 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings and Iowa Northern Shrikes checklist, February 8, 1977 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
Letter from Tom Staudt to Pete Petersen regarding bird sightings and locations, August 15, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-15 N/A
Letter from James J. Dinsmore to Peter C. Petersen regarding bird sightings, August 3, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-03 N/A
Letter from Peter Petersen to Nicholas Halmi regarding bird sightings, August 23, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Parulidae | Warblers 0976-08-23 N/A
Letter from J. Donald Gillaspey to Nicholas Halmi regarding bird sightings Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology N/A N/A
Woodward H. Brown postcard to Peter C. Petersen regarding the sighting of a female Oldsquaw and an Ani in Cedar Rapids, December 12, 1966 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1966-12-12 N/A
Gladys Black letter to Vernon M. Kleen regarding Snowy Owl counts, March 5, 1977 Correspondence Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-03-05 N/A
Bob Barratt letter to Thomas H. Kent regarding bird sightings, December 1, 1982 Correspondence Field notes Bird watching Birds--Habitat Birds--Research Ornithology--Methodology 1982-12-01 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, January 8, 1977 Correspondence Field notes Bird watching Birds--Behavior Birds--Research Wit and humor Birds--Feeding and feeds 1977-01-18 N/A
Harold Fetter letter to Peter C. Petersen regarding bird sightings, August 14, 1963 Correspondence Field notes Bird watching Birds--Eggs Birds--Research Ornithology--Methodology 1963-08-14 N/A
Ruth Upp letter to Peter C. Petersen regarding bird sightings, March 16, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-03-16 N/A
Fred Lesher letter to Thomas H. Kent regarding bird sightings in West Des Moines, Iowa, August 16, 1982 Correspondence Field notes Bird declines Bird watching Birds--Research Ornithology--Methodology Vireonidae | Vireos 1982-08-16 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
Tanya Bray letter to Thomas H. Kent regarding bird sightings, October 10, 1982 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1982-10-10 N/A