Title Genres Topics Date (Start) Date (End)
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
Robert K. Myers letter to Thomas H. Kent about bird sightings including Marbled Goldwit, June 6, 1980 Correspondence Field notes Birds--Identification Ornithology--Methodology Rare birds 1980-06-06 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 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 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
Richard Jule Hollis letter to Thomas H. Kent regarding categories of birds, winter 1982-1983 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1982-12-01 1983-02-28
Richard Jule Hollis letter to Thomas H. Kent regarding bird sightings, June 1, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-06-01 N/A
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
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
Rich DeCoster letter to Thomas H. Kent regarding bird sightings, May 29, 1980 Correspondence Field notes Bird watching Birdsongs Birds--Research Ornithology--Methodology 1980-05-29 N/A
Report form for selected species in spring, contributed by Thomas J. Staudt, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Thomas H. Kent, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Tanya Bray, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Stephen J. Dinsmore, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Robert Cecil, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Richard Jule Hollis, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Raymond L. Cummins, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Paul Martsching, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology Spring Weather 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Marion M. Brewer, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by James P. Sandrock, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by James L. Fuller, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Gerald White, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Douglas C. Harr, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Report form for selected species in spring, contributed by Barbara L. Wilson, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Red Rock fall migration, 1976 Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-01 1976-11-30