Title Genres Topics Date (Start) Date (End)
Fred Lesher letters to Thomas H. Kent regarding bird sightings, March 12, 1983 and June 3, 1983 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Ornithology--Study and teaching 1983-03-01 1983-06-03
Fred Pierce letter to Oscar Allert regarding stamp collecting, May 20, 1939 Correspondence Bird watching Ornithology--Periodicals Stamp collecting Postage stamps 1939-05-20 N/A
Frederic Leopold letter to Clarence Schneider regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Birds--Nests Ornithology--Methodology Birdhouses Ducks--Counting 1963-03-29 N/A
Frederic Leopold letter to Clarence W. Moody regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Bird watching Birds--Nests Ornithology--Methodology Ducks--Counting 1963-03-29 N/A
Frederic Leopold letter to Keith M. Schreiner regarding Schreiner's thesis and Wood Duck nest predation, March 5, 1952 Correspondence Birds--Nests Ornithology--Study and teaching Predatory animals Squirrels--Behavior 1952-03-05 N/A
Frederic Leopold letter to Peter P. Laude regarding an invitation to view the Wood Ducks and the Iowa Ornithologists' Union annual meeting, February 18, 1952 Correspondence Birds--Habitat Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching Wood duck--Behavior 1952-02-18 N/A
Frederic Leopold letter to Peter P. Laude regarding nesting Wood Ducks and the Iowa Ornithologists' Union annual convention, May 12, 1952 Correspondence Birds--Habitat Birds--Nests Congresses and conventions Ornithology--Societies, etc 1952-05-12 N/A
Frederic Leopold letter to Peter P. Laude regarding the Iowa Ornithologists' Union annual meeting, January 16, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Meetings 1952-01-16 N/A
Frederick Lincoln letter to Mrs. J. E. Stewart regarding "Birds of Polk County, Iowa", December 8, 1931 Correspondence Ornithology--Methodology Ornithological literature English language--Homonyms 1931-12-08 N/A
Genevieve DeLong letter to Thomas H. Kent regarding bird sightings, May 29, 1980 Correspondence Field notes Bird banding Bird watching Birds--Food Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Turdidae | Thrushes Parulidae | Warblers Bombycillidae | Waxwings Weather 1980-05-29 N/A
George Hendrickson letter to Philip DuMont regarding unlisted Water Ouzel, February 2, 1944 Correspondence Ornithology--Methodology Birds--Collection and preservation Ornithological literature 1944-02-02 N/A
George Hendrickson letter to Philip DuMont regarding updates to the Revised List of the Birds of Iowa, December 13, 1943 Correspondence Birds--Geographical distribution Birds--Nests Ornithology--Methodology Ornithological literature 1943-12-13 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
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 24, 1977 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1977-03-24 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
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-12-01 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Trapping 1976-12-10 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings of Snowy Owls and a Goshawk, February 25, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-02-25 N/A
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl sightings and Iowa Ornithologists' Union membership, January 24, 1977 Correspondence Field notes Bird watchers Bird watching Ornithology--Societies, etc 1977-01-24 N/A
Gladys Black letter to Thomas H. Kent regarding bird sightings, March 17, 1980 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1980-03-17 N/A
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, January 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-01-24 N/A
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, March 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-03-24 N/A
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Gladys Black letter to Vernon M. Kleen regarding bird sightings, January 10, 1977 Correspondence Field notes Maps (documents) Bird declines Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-01-10 N/A
Gladys Black letter to Vernon M. Kleen regarding birds sighted during breeding season 1975, August 5, 1975 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Radio and television tower bird strikes 1975-08-05 N/A