Title Genres Topics Date (Start) Date (End)
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 regarding bird sightings, December 2, 1978. Correspondence Field notes Bird watching Birds--Counting 1978-12-02 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings and bird banding, November 29, 1977 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Research Tyrannidae | Flycatchers Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers 1977-11-29 N/A
Peter C. Petersen letter to Michael C. Newlon regarding fall birds sighted, November 30, 1984 Correspondence Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks 1984-11-30 N/A
Peter C. Petersen letter to James J. Dinsmore regarding bird sightings, July 3, 1996 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1996-07-03 N/A
Peter C. Petersen letter to Carl Bendorf regarding spring birding report for IOU quarterly field report spring 1991, May 31, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Rare birds 1991-05-31 N/A
Peter C. Petersen letter to Carl Bendorf regarding bird sightings for the IOU Quarterly Field Report, December 1, 1989 Correspondence Field notes Bird watching Birds--Counting Ornithology--Methodology Rare birds 1989-12-01 N/A
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
Pete Petersen letter to Robert Myers regarding House Finch nesting, June 2, 1986 Field notes Bird watching Birds--Infancy 1986-06-02 N/A
Pearl Knoop letter to Thomas H. Kent regarding bird sightings, March 4, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-03-04 N/A
Pearl Knoop letter to Thomas H. Kent regarding bird sightings, December 1, 1980 Correspondence Field notes Bird watching 1980-12-01 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
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
Pearl Knoop letter to Peter C. Petersen regarding Marble Rock, Iowa spring migration, June 10, 1965 Correspondence Field notes Bird watching Birds--Migration Fringillidae | Finches Parulidae | Warblers 1965-06-10 N/A
Pearl Knoop letter to Peter C. Petersen regarding field notes, winter 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-04-08 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, December 15, 1962 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-15 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
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A
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
Pearl Knoop letter to Nicholas S. Halmi regarding bird sightings, May 31, 1978. Correspondence Field notes Bird watching Birds--Migration Birds--Research 1978-05-31 N/A
Paul Van Nieuwenhuyse letter to James J. Dinsmore regarding an Upland Sandpiper sighting, June 8, 2001 Correspondence Field notes Bird watching 2001-06-08 N/A
Paul Martsching letter to Thomas Kent regarding Greater Scaup documentation, November 27, 1985 Correspondence Field notes Bird watching 1985-11-27 N/A
Paul Martsching letter to Thomas H. Kent regarding report forms and bird sightings Correspondence Field notes Bird watching Parulidae | Warblers 1985-05-29 N/A
Paul Martsching letter to Robert K. Myers regarding bird sightings, spring 1988 Correspondence Field notes Bird watching Birds--Identification Birds--Research 1988-03-01 1988-05-31
Paul G. Bystrak email to the IA-BIRD mailing list regarding an Olive-sided Flycatcher sighting, June 8, 2000 Correspondence Field notes Bird watching Birds--Identification 2000-06-08 N/A