Title Genres Topics Date (Start) Date (End)
Bill Youngworth letter to Woodward Hart Brown regarding general bird notes, May 17, 1963 Correspondence Bird kills Bird watching Tyrannidae | Flycatchers Ornithology--Periodicals Parulidae | Warblers Periodical editors 1963-05-17 N/A
Bill Youngworth letter to Woodward Hart Brown regarding a new editor for Iowa Bird Life, January 10, 1961 Correspondence Bird watching Ornithology--Periodicals Periodical editors 1961-01-10 N/A
Bill Youngworth letter to Woodward Hart Brown regarding Blue-winged Warbler range, December 8, 1962 Correspondence Bird watching Birds--Geographical distribution Birds--Nests 1962-12-08 N/A
Bill Ohde letter to Jim Dinsmore regarding a Berwick's Wren, March 20, 1984 Correspondence Field notes Birds--Behavior Birds--Identification Rare birds 1984-03-20 N/A
Bill Gombold letter to Frederic Leopold regarding duck conservation, April 2, 1988 Correspondence Birds--Conservation Birds--Habitat Wildlife conservation--Law and legislation Hunting--Moral and ethical aspects Duck populations 1988-04-02 N/A
Beth Proescholdt letter to Thomas H. Kent regarding record Hawk counts, December 1, 1998. Correspondence Field notes Bird watching Birds--Counting Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology 1998-12-01 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
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, November 30, 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 1997-11-30 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, December 6, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1993-12-06 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, December 5, 1998 Correspondence Field notes Bird banding Bird watching Birds--Counting 1998-12-05 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, December 4, 1992 Correspondence Field notes Bird declines Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies 1992-12-04 N/A
Bery Engebretsen letter to Jim Dinsmore regarding summer bird sightings, August 1, 1995 Correspondence Field notes Bird watching Charadriiformes | Shore-birds, Gulls, and Auks 1995-08-01 N/A
Bery Engebretsen letter to James J. Dinsmore regarding summer bird sightings, summer 1997 Correspondence Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers 1997-06-01 1997-07-31
Bery Engebretsen letter to James J. Dinsmore regarding summer bird sightings, August 20, 1987 Correspondence Field notes Bird watching Birdsongs Birds--Research Parulidae | Warblers 1987-08-20 N/A
Bery Engebretsen letter to James J. Dinsmore regarding summer bird sightings, August 1, 1993 Correspondence Field notes Bird watching Birds--Habitat Birds--Nests Weather 1993-08-01 N/A
Letter from Bery Engebretsen to James Dinsmore regarding bird sightings for the IOU quarterly field report summer 1990, August 1, 1990 Correspondence Field notes Bird watching Birds--Identification 1990-08-01 N/A
Bery Engebretsen letter to Carl J. Bendorf regarding fall bird sightings, December 1, 1987 Correspondence Field notes Bird watching Birds--Counting Gaviiformes | Loons Weather 1987-12-01 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
Barbara L. Wilson letter to Thomas H. Kent regarding winter bird sightings and the Hairy Woodpecker population, February 28, 1983 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather Emberizidae | Sparrows 1983-02-28 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
Barbara L. Wilson letter to Robert K. Myers regarding a weather report, June 2, 1988 Correspondence Weather 1988-06-02 N/A
Barbara L. Wilson letter to James J. Dinsmore regarding summer bird sightings, August 4, 1987 Correspondence Field notes Bird watching Birds--Behavior Birds--Nests Weather 1987-08-04 N/A
Barbara L. Wilson letter to Carl J. Bendorf regarding fall bird sightings, November 27, 1987 Correspondence Field notes Bird watching Birds--Counting Weather Birds--Infancy Wildlife rescue 1987-11-27 N/A
Barb Wilson letter to Thomas Kent regarding fall sightings, November 30, 1983 Correspondence Field notes Bird watching Birds of prey Birds--Identification Tyrannidae | Flycatchers Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Hirundinidae | Swallows Water birds Weather Country life 1983-11-30 N/A