Title Genres Topics Date (Start) Date (End)
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
Percy Taverner letter to Philip DuMont regarding Flicker hybrids, January 2, 1936 Correspondence Birds--Identification Birds--Classification 1936-01-02 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
Paul Errington letter to Philip DuMont regarding feather identification, January 28, 1936 Correspondence Birds--Identification Feathers Birds--Classification 1926-01-28 N/A
Paul Bedell letter to Tanya Bray regarding field notes, May 22, 1982 Correspondence Field notes Bird watching Birds--Habitat 1982-05-22 N/A