Title Genres Topics Date (Start) Date (End)
Field notes, photograph, and letter to James J. Dinsmore contributed by Ed Thelen, summer 2002 Correspondence Field notes Photographs Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 2002-06-01 2002-07-31
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, July 31, 2002 Correspondence Field notes Bird watching Birds--Counting Birds--Nests 2002-07-31 N/A
Gladys Black letter to Peter C. Petersen regarding spring migration at Red Rock Refuge, June 12, 1970 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests 1970-06-12 N/A
Iowa Ornithologists' Union, Quarterly field report, spring 1979 Correspondence Field notes Bird watching Birds--Counting Weather 1979-03-01 1979-05-31
Fred Lesher letter to Nicholas S. Halmi regarding bird sightings, March 26, 1979 Correspondence Field notes Bird watching Birds--Counting Parulidae | Warblers 1979-03-26 N/A
Ken Lowder letter to Nicholas S. Halmi regarding spring bird sightings, June 5, 1979 Correspondence Field notes Bird watching Birds--Counting 1979-06-05 N/A
Fred K. Thompson letter to Nicholas S. Halmi regarding spring bird sightings and checklists, May 30, 1979 Checklists Correspondence Field notes Bird watching Birds--Counting Parulidae | Warblers 1979-05-30 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather 1981-07-31 N/A
Bill Youngworth letter to Woodward Hart Brown regarding dubious Christmas census reports, May 25, 1954 Correspondence Bird watching Birds--Counting Birds--Geographical distribution Winter Zoological specimens 1954-05-25 N/A
W. Ross Silcock letter to Thomas H. Kent regarding questions about the Christmas bird count, February 28, 1989 Correspondence Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1989-02-28 N/A
Peter C. Petersen letter to Thomas H. Kent regarding summer bird sightings, August 4, 1981 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-08-04 N/A
Darwin Koenig letter to Thomas H. Kent regarding summer bird sightings, July 31, 1981 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding winter bird sightings, February 28, 1979 Correspondence Field notes Bird watching Birds--Counting Birds--Research Fringillidae | Finches 1979-02-28 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding winter bird sightings, February 10, 1979 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Fringillidae | Finches Water birds 1979-02-10 N/A
James L. Hansen letter to Thomas H. Kent regarding spring bird sightings and accompanying field notes, June 1, 1983 Correspondence Field notes Forms (documents) Reports Bird kills Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Parulidae | Warblers Water birds Weather 1983-06-01 N/A
Field notes and letter to Thomas H. Kent from René Laubach regarding a Mourning Warbler sighting, spring 1983 Correspondence Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Identification Birds--Research Ornithology--Methodology Parulidae | Warblers Emberizidae | Sparrows 1983-05-31 N/A
Robert I. Cecil letter to Robert K. Myers regarding bird banding, June 5, 1987 Correspondence Field notes Bird banding Birds--Counting 1987-06-05 N/A
Andrew S. Fix letter to Robert K. Myers regarding bird sightings, May 20, 1987 Correspondence Field notes Bird watching Birds--Counting 1987-05-20 N/A
Dale Stone letter to Robert K. Myers regarding bird sightings, April 4, 1987 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1987-04-04 N/A
Robert I. Cecil letter to Jim Dinsmore regarding field note, June 29, 1985 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Habitat Birds--Identification Birds--Nests Tyrannidae | Flycatchers Laridae | Gulls and Terns Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Vireonidae | Vireos Parulidae | Warblers Birds--Feeding and feeds 1985-06-29 N/A
Field notes and Thomas H. Kent letter to James J. Dinsmore, July 29,1985 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Ornithology--Societies, etc 1985-07-29 N/A
Field notes and Peter P. Wickham letter to James J. Dinsmore regarding bird sightings, August 3, 1985 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs 1985-08-03 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings, December 2, 1978. Correspondence Field notes Bird watching Birds--Counting 1978-12-02 N/A
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, December 1, 1978 Correspondence Field notes Bird watching Birds--Counting 1978-12-01 N/A
Fred Lesher letter to Vernon M. Kleen regarding bird sightings, February 8, 1979 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1979-02-08 N/A