Title Genres Topics Date (Start) Date (End)
Bob Barratt letter to Thomas H. Kent regarding bird sightings, December 1, 1982 Correspondence Field notes Bird watching Birds--Habitat Birds--Research Ornithology--Methodology 1982-12-01 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
Bob Sheets letter to Don Cummings regarding hunting areas, November 18, 1985 Correspondence Field notes Bird watching Wildlife refuges Hunting 1985-11-18 N/A
Bohemian Waxwing records, 1982 Field notes Bird watching Birds--Identification Wildlife conservation 1982-01-01 1982-07-31
Breeding bird survey, 1976 Checklists Bird watching Birds--Breeding Birds--Research Ornithology--Methodology N/A N/A
Breeding Evidence Observations, Bob Cecil, 1985 Correspondence Field notes Bird watching Birds--Breeding Birds--Identification Rare birds 1985-06-20 1985-07-16
Breeding status undetermined Research notes Bird watching Birds--Geographical distribution Zoological specimens N/A N/A
Bruce Ehresman email to Daryl Howell and James J. Dinsmore regarding Barn Owl nests, August 4, 2000 Correspondence Field notes Bird banding Bird watching Birds--Eggs Birds--Nests 0200-08-04 N/A
Bruce Ehresman email to James J. Dinsmore regarding Bald Eagle nest locations, August 4, 2000 Correspondence Field notes Bird watching Birds--Nests 2000-08-04 N/A
Bruce Ehresman email to Lisa Hemesath and others regarding Sandhill Crane sightings, May 30, 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Nests 1997-05-30 N/A
Bruce Ehresman letter to James J. Dinsmore regarding bird sightings, August 4, 1988 Correspondence Field notes Bird watching Birds--Identification Birds--Research Birds--Infancy 1988-08-04 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 Ehresman letter to Thomas Kent regarding Burrowing Owl sightings, June 2, 1993 Field notes Maps (documents) Bird watching Birds--Nests 1993-06-02 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
Bulletin (Iowa Ornithologists Union), Number 1, February 1929 Serials (publications) Bird watching Ornithology--Societies, etc 1929-02-01 1929-02-28
Bulletin (Iowa Ornithologists Union), Number 3, July/September 1929 Serials (publications) Bird watching Ornithology--Societies, etc 1929-07-01 1929-09-30
Bulletin (Iowa Ornithologists Union), Volume 7, Number 2, April/June 1929 Serials (publications) Bird watching Ornithology--Societies, etc 1929-04-01 1929-06-30
Bulletin (Iowa Ornithologists Union), Volume 7, Number 4, October/December 1929 Serials (publications) Bird watching Ornithology--Societies, etc 1929-10-01 1929-12-31
Bulletin (Iowa Ornithologists Union), Volume 7, Number 5, January/March 1930 Serials (publications) Bird watching Ornithology--Societies, etc 1930-01-31 1930-03-31
Bulletin (Iowa Ornithologists Union), Volume 7, Number 6, April/June 1930 Serials (publications) Bird watching Ornithology--Societies, etc 1930-04-01 1930-06-30
Bulletin (Iowa Ornithologists Union), Volume 7, Number 7, July/September 1930 Serials (publications) Bird watching Ornithology--Societies, etc 1930-07-01 1930-09-30
Bulletin (Iowa Ornithologists Union), Volume 7, Number 8, October/December 1930 Serials (publications) Bird watching Ornithology--Societies, etc 1930-10-01 1930-12-31
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 N/A