Title Genres Topics Date (Start) Date (End)
Woodward H. Brown letter to Fred Kent about birding sightings for the fall and winter of 1966 and a Christmas Bird Count, January 4, 1967 Correspondence Field notes Bird feeders Bird watching Birds--Identification Rare birds Sturnidae | Starlings Calcariidae | Longspurs and snow bunting 1966-08-01 1967-01-04
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Iowa Ornithologists' Union, Quarterly field report, fall 1967 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-08-01 1967-11-30
Iowa Ornithologists' Union, Quarterly field report, winter 1967-1968 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-12-01 1968-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1968-1969 Correspondence Field notes Bird watching 1968-12-01 1969-02-28
Dorothy Franek letter to Peter C. Peterson regarding her first winter bird population study, March 10, 1969 Correspondence Bird watching Birds--Identification Ornithology--Methodology Weather 1969-01-01 1969-03-31
Audubon field notes, summer 1969, and R.G. Cortelyou letter to Peter C. Petersen regarding a Western Tanager, August 7, 1969 Correspondence Field notes Bird watching 1969-06-01 1969-07-31
Compiled supporting documentation for the Iowa Ornithologists' Union, Quarterly field report, Spring 1970. Correspondence Field notes Bird watching Birds--Migration Weather 1970-03-01 1970-06-14
Audubon field notes, winter 1970-1971, and Woodward H. Brown letter to Vernon M. Kleen regarding reporting practices, March 29, 1971 Correspondence Field notes Bird watching Ornithology--Periodicals Publishers and publishing 1970-12-01 1971-03-29
Field notes for spring season 1971 Correspondence Field notes Bird watching 1971-03-01 1971-05-31
Field notes for summer season 1971 Correspondence Field notes Bird watching Vireonidae | Vireos 1971-06-01 1971-07-31
Darwin Koenig letter to Woodward H. Brown regarding birds sighted, fall 1971 Correspondence Bird watching 1971-08-01 1971-11-30
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during May-July 1973 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Habitat Rare birds 1973-05-01 1973-07-31
Nicholas S. Halmi letters to Vernon M. Kleen regarding birds observed during summer and fall 1973. Correspondence Field notes Bird watching Birds--Identification Feathers Habitat (Ecology) Rare birds 1973-06-01 1973-11-30
Letter from Janet Greer to Vernon M. Kleen reporting a Snowy Egret, May 22, 1974. Correspondence Field notes Bird populations Bird watching Birds--Behavior 1974-03-01 1974-05-31
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
Letter from Robert Jessen to Vernon M. Kleen regarding birds sighted near Oskaloosa, summer 1974 Correspondence Field notes Bird watching Birds--Nests Birds--Research Troglodytidae | Wrens 1974-06-01 1974-07-31
Gladys Black letters to Vernon M. Kleen regarding fall migration and nesting season, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Habitat (Ecology) Radio and television tower bird strikes 1974-08-01 1974-11-30
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
Field notes, Amaqua Township and Council Bluffs, fall 1974 Correspondence Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
Winter of 1974-75, Red Rock area and Pleasantville, Iowa field notes, and Snowy Owl reports Clippings (information artifacts) Correspondence Field notes Maps (documents) Bird kills Bird watching Birds--Research Ornithology--Methodology Weather 1974-12-01 1975-02-28
Iowa Ornithologists' Union, Quarterly field report, and Council Bluffs field notes, winter 1974-1975 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Fringillidae | Finches 1974-12-01 1975-02-28
Spring records for birds sighted in the Iowa City area, 1975 Correspondence Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Parulidae | Warblers 1975-03-01 1975-05-31
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Letter from Richard DeCoster to Iowa Ornithologists' Union regarding bird sightings from June 1 to July 31, 1976 Correspondence Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1976-06-01 1976-07-31