Title Genres Topics Date (Start) Date (End)
Robert F. Vane letter regarding an invitation to the 30th annual convention of the Iowa Ornithologists' Union, April 10, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching 1952-04-10 N/A
Peter P. Laude letter to Frederic Leopold regarding the acceptance of the invitation to speak at the Iowa Ornithologists' Union convention, February 13, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching 1952-02-13 N/A
Peter P. Laude letter to Frederic Leopold regarding an invitation to speak at the Iowa Ornithologists' Union convention, January 10, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching Meetings 1952-01-10 N/A
Mildrede Williams letter to members of the Fairfield Bird Club regarding her resignation as the club's president, August 27, 1934 Correspondence Bird watchers Ornithology--Societies, etc 1934-08-27 N/A
Mary Lou Petersen letter to Oscar Allert regarding honorary membership in the Iowa Ornithologists' Union, May 31, 1976 Correspondence Ornithology--Societies, etc 1976-05-31 N/A
James P. Sandrock letter to James J. Dinsmore regarding a weather report, July 31, 1986 Correspondence Field notes Reports Bird watching Ornithology--Societies, etc Weather 1986-07-31 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
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 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
Carl J. Bendorf letter to James J. Dinsmore regarding the Birdline answering machine and a sighting of a House Finch, July 30, 1987 Correspondence Field notes Bird watching Birdsongs Ornithology--Societies, etc 1987-07-30 N/A
Beth Proescholdt letter to Michael C. Newlon regarding a Northern Shrike sighting, December 1, 1984 Correspondence Field notes Birds--Identification Ornithology--Societies, etc Ornithology--Technique Rare birds 1984-12-01 N/A
Ben Bereskin letter to Wilmer J. Miller and Lotus Miller regarding a birding field trip, September 22, 1969 Correspondence Bird watching Birds--Migration Ornithology--Societies, etc Waterfowl 1969-09-22 N/A
Ben Bereskin letter to Ames Audubon Society members and friends regarding the September meeting and program, September 1971 Correspondence Announcements Ornithology--Societies, etc Meetings Parks--Iowa 1971-09-01 1971-09-30
Laura Spess Jackson letter to Carol A. Thompson regarding additional funding for the Breeding Bird Atlas Project, April 10, 1989 Correspondence Birds--Counting Birds--Habitat Birds--Identification Ornithology--Societies, etc 1989-04-10 N/A
James P. Sandrock letter to James J. Dinsmore regarding a weather report, July 4, 1986 Correspondence Bird watching Ornithology--Societies, etc Weather 1986-07-04 N/A
James J. Dinsmore letter to Bruce G. Peterjohn with additional summer field note information, August 17, 1988 Correspondence Field notes Ornithology--Societies, etc 1988-08-17 N/A
Field notes and Peter C. Petersen letter to James J. Dinsmore regarding the fall report and bird sightings, summer 1985 Correspondence Field notes Bird watching Birds--Nests Ornithology--Societies, etc Birds--Infancy 1985-06-01 1985-07-31
Iowa Ornithologists' Union letters to members regarding activities of the organization Correspondence Congresses and conventions Conservationists Ornithology--Societies, etc Ornithologists 1923-02-12 1930-12-09
Christmas bird count data report and W. Ross Silcock note to Thomas H. Kent, winter 1987-1988 Correspondence Field notes Birds--Research Ornithology--Methodology Ornithology--Societies, etc 1987-12-01 1988-02-28
Bruce G. Peterjohn letter to James J. Dinsmore requesting additional field note data, August 15, 1988 Correspondence Field notes Ornithology--Societies, etc 1988-08-15 N/A
Bruce Ehresman letter to James J. Dinsmore regarding U.S. Fish and Wildlife Service reports, December 14, 1988 Correspondence Birds--Nests Birds--Research Ornithology--Societies, etc 1988-12-14 N/A
Breeding Bird Atlas block map for Princeton Township, May 26, 1989 Correspondence Maps (documents) Birds--Habitat Ornithology--Societies, etc 1989-05-26 N/A
Note to Ames Audubon members regarding an Audubon Wildlife Film, February 1972 Correspondence Announcements Ornithology--Societies, etc Wildlife conservation Hunting--Moral and ethical aspects 1972-02-01 1972-02-29