Title Genres Topics Date (Start) Date (End)
Letter to members of the Iowa Ornithologists' Union regarding upcoming activities for bird lovers, July 15, 1924 Correspondence Bird banding Migratory birds Ornithology--Societies, etc 1924-07-15 N/A
Letter to Peter C. Petersen regarding bird summer sightings, July 24, 1963 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology Wild animal collecting 1963-07-24 N/A
Dorothy Franek letter to Frances Braley regarding her activities with birds, January 17, 1969 Correspondence Maps (documents) Bird banding Bird watching Birds--Habitat Birds--Identification 1969-01-17 N/A
Peter C. Peterson letter to Woodward H. Brown, regarding fall migration 1971, November 14, 1971 Correspondence Bird banding Bird watching Birds--Migration 1971-11-14 N/A
Letter and bird sighting checklist from Robert and Valerie Jessen to Vernon M. Kleen, spring migration 1974 Checklists Correspondence Field notes Bird banding Bird populations Bird watching Birds--Behavior Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1974-03-01 1974-05-31
Robert Jessen letter to Vernon M. Kleen regarding birds sighted in Mahaska County during winter, April 2, 1974 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Nests 1974-04-02 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
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird watching Birds--Research 1976-10-25 N/A
Dean Mosman letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird populations Bird watching Radio and television tower bird strikes Parulidae | Warblers 1976-08-01 1976-11-30
Peter C. Petersen letter and checklist to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird watching Birds--Research Trapping 1976-12-05 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings, February 13, 1977 Correspondence Field notes Bird banding Bird watching Birds--Identification 1977-02-13 N/A
Peter C. Petersen letter to Nicholas S. Halmi reporting spring 1977 bird observations, June 5, 1977 Correspondence Field notes Bird banding Bird populations Bird watching Trapping 1977-06-05 N/A
Douglas C. Harr letter to Peter C. Petersen regarding bird sightings, June 23, 1977 Correspondence Field notes Bird banding Bird watching Birds--Research 1977-06-23 N/A
Dean Mosman letter to Nicholas S. Halmi regarding bird sightings, Febuary 11, 1978 Correspondence Field notes Bird banding Bird feeders Bird watching Birds--Research 1978-02-11 N/A
Ruth Phipps letter to Nicholas S. Halmi regarding bird watching, February 5, 1978 Correspondence Field notes Bird banding Bird feeders Bird watching Birds--Research 1978-02-05 N/A
Dean Mosman letter to Nicholas S. Halmi regarding winter bird sightings, February 10, 1979 Correspondence Field notes Bird banding Bird feeders Bird watching Birds--Research Fringillidae | Finches Weather 1979-02-10 N/A
Ruth Phipps letter to Nicholas S. Halmi regarding winter bird sightings, February 7, 1979 Correspondence Field notes Bird banding Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Fringillidae | Finches 1979-02-07 N/A
Dean Mosman letter to Nicholas S. Halmi regarding spring bird sightings, June 5, 1979 Correspondence Field notes Bird banding Bird watching 1979-06-05 N/A
Ross Silcock letter to Thomas H. Kent regarding bird sightings, August 5, 1979 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Nests Birds--Research 1979-08-05 N/A
Peter Petersen letter to Thomas H. Kent regarding bird banding, November 25, 1979 Correspondence Field notes Bird banding Bird watching Parulidae | Warblers 1979-11-25 N/A
Genevieve DeLong letter to Thomas H. Kent regarding bird sightings, May 29, 1980 Correspondence Field notes Bird banding Bird watching Birds--Food Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Turdidae | Thrushes Parulidae | Warblers Bombycillidae | Waxwings Weather 1980-05-29 N/A
David A. Newhouse letter to Thomas H. Kent regarding bird sightings, May 27, 1980 Correspondence Field notes Bird banding Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Fringillidae | Finches Parulidae | Warblers 1980-05-27 N/A
Betty Walters letter to Thomas H. Kent regarding bird sightings, August 13, 1980 Correspondence Field notes Bird banding Bird watching Birds--Migration Birdsongs Fringillidae | Finches Songbirds 1980-08-13 N/A
David A. Newhouse letter to Thomas Kent regarding Fall birds sighted, November 24, 1980 Correspondence Field notes Bird banding Bird watching Scolopacidae | Sandpipers, Phalaropes, and allies 1980-11-24 N/A
Field notes with additional documentation contributed by Peter C. Petersen, fall 1981 Correspondence Field notes Bird banding Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Ornithology--Methodology Parulidae | Warblers 1981-08-01 1981-11-30