Title Genres Topics Date (Start) Date (End)
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, March 19, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Columbiformes | Doves and Pigeons Sittidae | Nuthatches Ornithology--Methodology 1966-03-19 N/A
Directory for the collecting of bird specimens in Iowa for scientific purposes Reports Birds--Geographical distribution Birds--Research Ornithology--Study and teaching Birds--Collection and preservation 1935-04-01 1935-04-30
Report for "American Birds" Midwestern Prarie Region: 1 August - 30 November 1976 Field notes Bird watching Birds--Research 1976-08-01 1976-11-30
Red Rock Lake, Red Rock Refuge, Iowa, spring 1973 Field notes Bird watching Birds--Nests Birds--Research Environmental monitoring 1973-03-01 1973-05-31
Richard DeCoster letter to Vernon Kleen regarding Iowa bird observations for winter 1975/1976, April 2, 1976 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-04-02 N/A
Pearl Knoop letter to Peter C. Petersen regarding nesting season, August 21, 1964 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1964-08-21 N/A
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl count, February 1, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-01 N/A
Smith's Longspur survey results contributed by Barbara L. Wilson, spring 1983 Field notes Reports Surveys (documents) Bird surveys Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1983-03-01 1983-05-31
Rich DeCoster letter to Vernon M. Kleen regarding fall 1975 bird sightings around Iowa City, Iowa, December 1, 1975 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1975-12-01 N/A
Robert I. Cecil letter to James J. Dinsmore regarding a report on the Purple Gallinule, September 9, 1988 Correspondence Birds--Research Ornithology--Societies, etc 1988-09-09 N/A
Robert I. Cecil letter to Thomas H. Kent regarding bird sightings, Keokuk, Iowa, spring 1984 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1984-03-01 1984-05-31
Robert Jessen letter and checklist to Vernon M. Kleen regarding winter birds sighted in Mahaska County, April 2, 1975 Checklists Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1975-04-02 N/A
Robert Jessen letter to Vernon M. Kleen regarding spring birds sighted near Oskaloosa, June 2, 1975 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology 1975-06-02 N/A
Robert Jessen letter and checklist to Vernon M. Kleen regarding birds sighted during 1974 fall migration, December 1, 1974 Checklists Correspondence Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology 1974-08-01 1974-11-30
Photograph of recently hatched Wood Duck ducklings and egg shells in a duck house Photographs Birds--Eggs Birds--Research Ducklings 1966-05-01 1966-05-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1971-05-01 1971-05-31
Photograph of Wood Duck ducklings in a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1977-05-01 1977-05-31
Photograph of Wood Duck ducklings nesting among egg shells and nesting material Photographs Birds--Eggs Birds--Research Ducklings 1966-05-01 1966-05-31
Gladys Black letter to Nicholas S. Halmi regarding sightings of Snowy Owls and a Goshawk, February 25, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-02-25 N/A
Field reports Field notes Bird watching Birds--Nests Birds--Research 1978-03-01 1978-05-31
Eldon J. Bryant letter to Woodward H. Brown regarding spring migration, May 17, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-05-17 N/A
Pearl Knoop letter to Peter C. Petersen regarding spring migration, June 4, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-06-04 N/A
Robert L. Nelson letter to Peter C. Petersen regarding spring migration, June 14, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-06-14 N/A
Tim C. Moermond and Mike Orthel letter to Peter C. Petersen regarding spring migration, May 28, 1963 Artifacts (object genre) Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-05-28 N/A