Title Genres Topics Date (Start) Date (End)
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 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
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
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
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 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
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, 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 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 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 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 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, November 30, 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 1997-11-30 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
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 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 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 dubious Christmas census reports, May 25, 1954 Correspondence Bird watching Birds--Counting Birds--Geographical distribution Winter Zoological specimens 1954-05-25 N/A
Robert Cecil letter to Robert Myers regarding Spring Field Report, May 29, 1986 Correspondence Field notes Bird watching Birds--Identification Birdsongs 1986-05-29 N/A
Bob Sheets letter to Daryl Howell and Jim Dinsmore regarding Sandhill Crane sighting, August 25, 1994 Correspondence Field notes Bird watching 1994-08-25 N/A
Bruce Ehresman letter to James J. Dinsmore regarding summer bird sightings, August 3, 1993 Correspondence Field notes Bird watching Birds--Nests Rare birds Birds--Infancy 1993-08-03 N/A
Bruce Ehresman letter to Lee Gladfelter regarding wildlife notes, July 1, 1994 Correspondence Field notes Bird watching Birds--Nests Birdhouses 1994-07-01 N/A
Bruce Ehresman letter to Thomas Kent regarding Bald Eagle and Barn Owl nests, November 28, 1994 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1994-11-28 N/A
Bruce G. Peterjohn letter to James J. Dinsmore regarding the Iowa summer bird report and rare bird sightings, August 24, 1987 Correspondence Field notes Bird watching Birds--Identification Rare birds 1987-08-24 N/A
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 N/A