Title Genres Topics Date (Start) Date (End)
Joe Kennedy letter to Peter C. Petersen regarding field notes for summer, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-06-01 1963-07-31
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
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
Audubon field notes, fall migration, 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-08-01 1963-11-30
Iowa Ornithologists' Union, quarterly field report, fall 1963 Field notes Bird watching Birds--Research Ornithology--Methodology 1963-08-01 1963-11-30
Joe Kennedy letter to Peter C. Petersen regarding field notes, Fall 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-08-01 1963-11-30
Harold Fetter letter to Peter C. Petersen regarding bird sightings, August 14, 1963 Correspondence Field notes Bird watching Birds--Eggs Birds--Research Ornithology--Methodology 1963-08-14 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, August 17, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1963-08-17 N/A
Iowa Ornithologists' Union, field report compiled data, Snow Goose, 1963-1983 Field notes Bird watching Birds--Counting Birds--Research 1963-08-28 1983-07-22
Report to Wood Duck observers with attached mailing list, September 13, 1963 Reports Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Birdhouses--Design and construction Ducks--Counting 1963-09-13 N/A
Iowa Ornithologists' Union, field report compiled data, Blue-gray Gnatcatcher, 1963-1983 Field notes Bird watching Birds--Counting Birds--Research 1963-09-21 1983-05-24
Iowa Ornithologists' Union, field report compiled data, Red-necked Phalarope, 1963-1983 Field notes Bird watching Birds--Counting Birds--Research 1963-09-28 1983-06-22
Tim C. Moermond letter to Peter C. Petersen regarding field notes, November 27, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-11-27 N/A
Audubon field notes for Des Moines, winter 1963-1964 Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-12-01 1964-02-28
Audubon field notes for winter migration 1963-1964 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1963-12-01 1964-02-28
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, December 7, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-12-07 N/A
Audubon field notes, fall migration, 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-12-08 N/A
Florence McCaughey letter to Peter C. Petersen regarding field notes, December 10, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-12-10 N/A
Documents regarding a Wood Duck study, February 27, 1964 Checklists Correspondence Questionnaires Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Predatory animals Ducks--Counting Ducklings 1964-02-27 N/A
Iowa Ornithologists' Union, Quarterly field report, spring 1964 Field notes Bird watching Birds--Research Ornithology--Methodology 1964-03-01 1964-05-31
Iowa bird migration calendar Brochures Birds--Migration Birds--Research 1964-05-01 1964-05-31
Iowa Ornithologists' Union, field report compiled data, Least Flycatcher, 1964-1983 Field notes Bird watching Birds--Counting Birds--Research 1964-05-02 1983-07-23
Iowa Ornithologists' Union, field report compiled data, Indigo Bunting, 1964-1983 Field notes Bird watching Birds--Counting Birds--Research 1964-05-02 1983-05-08
Iowa Ornithologists' Union, field report compiled data, Eastern Wood-Pewee, 1964-1983 Field notes Bird watching Birds--Counting Birds--Research 1964-05-07 1983-05-12