Title Genres Topics Date (Start) Date (End)
Bruce Ehresman letter to Thomas H. Kent regarding a Barn Owl nest in Boone County, December 10, 1993 Correspondence Field notes Bird banding Birds--Identification Birds--Nests Birds--Infancy 1993-12-10 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
Charlotte Scott letter to Thomas H. Kent regarding summer bird sightings, July 30, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-30 N/A
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1987 Correspondence Field notes Bird watching Birds--Nests Tyrannidae | Flycatchers Birds--Infancy 1987-08-03 N/A
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1989 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Infancy 1989-08-03 N/A
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, July 31, 1997 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs 1997-07-31 N/A
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
Darwin Koenig letter to Nicholas S. Halmi regarding spring bird sightings, June 4, 1979 Correspondence Field notes Bird watching Birds--Nests 1979-06-04 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
David A. Newhouse letter to Thomas H. Kent regarding summer bird sightings, July 25, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Phasianidae | Pheasants, Turkeys, and Grouse Water birds Weather 1981-07-25 N/A
Dean Mosman letter to Thomas H. Kent regarding summer bird sightings, July 29, 1981 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-29 N/A
Dick Bierman letter to Nicholas S. Halmi regarding spring bird sightings, May 28, 1979 Correspondence Field notes Reports Bird watching Birds--Migration Birds--Nests Anseriformes | Ducks, Geese, and Swans Gaviiformes | Loons Rare birds Parulidae | Warblers 1979-05-28 N/A
Doug Harr letter to Jim Dinsmore regarding IOU observations, July 31, 1998 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy Predatory animals Families 1998-07-31 N/A
Douglas C. Harr letter to Thomas H. Kent regarding summer bird sightings, July 23, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
Ed Currier letter to Philip DuMont regarding nest and egg collection, October 19, 1934 Correspondence Birds--Eggs Birds--Geographical distribution Birds--Nests Birds--Collection and preservation 1934-10-19 N/A
Ellison Orr letter to Oscar Allert regarding Peregrine Falcon sightings, April 5, 1934 Correspondence Field notes Bird watching Birds--Food Birds--Geographical distribution Birds--Nests Anseriformes | Ducks, Geese, and Swans Duck shooting 1934-04-05 N/A
Ellison Orr letter to Oscar Allert regarding Peregrine Falcon sightings, March 10, 1934 Correspondence Field notes Bird watching Birds--Geographical distribution Birds--Nests 1934-03-10 N/A
Ellison Orr letter to Oscar Allert regarding a Bald Eagle nest sight, May 17, 1939 Correspondence Field notes Bird watching Birds--Food Birds--Nests 1939-05-17 N/A
Frederic Leopold letter to Keith M. Schreiner regarding Schreiner's thesis and Wood Duck nest predation, March 5, 1952 Correspondence Birds--Nests Ornithology--Study and teaching Predatory animals Squirrels--Behavior 1952-03-05 N/A
Frederic Leopold letter to Clarence Schneider regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Birds--Nests Ornithology--Methodology Birdhouses Ducks--Counting 1963-03-29 N/A
Frederic Leopold letter to Clarence W. Moody regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Bird watching Birds--Nests Ornithology--Methodology Ducks--Counting 1963-03-29 N/A
Frederic Leopold letter to Don Joffray regarding Wood Duck houses and nest predation, April 25, 1966 Correspondence Birds--Eggs Birds--Nests Birdhouses--Design and construction Predatory animals Raccoon--Behavior 1966-04-25 N/A
Frederic Leopold letter to Lawrence A. Bjonerud regarding identifying Wood Ducks, May 18, 1966 Correspondence Birds--Habitat Birds--Identification Birds--Nests 1966-05-18 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
George Hendrickson letter to Philip DuMont regarding updates to the Revised List of the Birds of Iowa, December 13, 1943 Correspondence Birds--Geographical distribution Birds--Nests Ornithology--Methodology Ornithological literature 1943-12-13 N/A