Title Genres Topics Date (Start) Date (End)
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
Peter C. Petersen letter to Thomas H. Kent regarding fall bird sightings, December 2, 1992 Correspondence Field notes Bird watching Birds--Counting 1992-12-02 N/A
Peter C. Petersen letter to Thomas H. Kent regarding summer bird sightings, August 4, 1981 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-08-04 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 Ernzen letter to James J. Dinsmore regarding summer bird sightings, summer 1997 Correspondence Field notes Bird watching Birds--Identification Birdsongs Parulidae | Warblers 1997-06-01 1997-07-31
Letter from Peter Peterson to Vernon Kleen containing bird sighting notes, May 23, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Parulidae | Warblers Trapping 1976-05-23 N/A
Peter Wickham letter to Carl Bendorf, June 2 1991 Checklists Correspondence Field notes Bird watching Birds--Identification Birds--Migration Weather 1991-03-01 1991-06-02
Philip A. DuMont letter to Martin L. Grant regarding suggestions to the "Check-list of Iowa Birds", December 7, 1962 Correspondence Bird watching Birds--Identification Birds--Nomenclature Birds--Research Ornithology--Methodology 1962-12-07 N/A
Philip DuMont letter to Burt Gresham regarding Goose migration, April 4, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-04-04 N/A
Philip DuMont letter to Fred Pierce regarding Swallow-tailed Kites, June 29, 1945 Correspondence Bird watching Rare birds 1945-06-29 N/A
Philip DuMont letter to George Hendrickson regarding Martin Grant's suggestions, July 1, 1956 Correspondence Bird watching Birds--Nomenclature Birds--Classification Layout (Printing) 1956-07-01 N/A
Philip DuMont letter to George Hendrickson regarding the revised Iowa Ornithologists' Union Check-list, May 24, 1957 Correspondence Bird watching Birds--Nomenclature Birds--Classification 1957-05-24 N/A
Philip DuMont letter to George Hendrickson regarding revising the Check-List of Iowa Birds, May 31, 1956 Correspondence Bird watching Birds--Nomenclature Layout (Printing) Printing industry--Estimates 1956-05-31 N/A
Philip DuMont letter to George Hendrickson regarding editorial changes to the revised checklist, November 29, 1956 Checklists Correspondence Bird watching Birds--Nomenclature Birds--Classification Copy editing 1956-11-29 N/A
Philip DuMont letter to James Peters regarding Savannah Sparrow specimens, May 16, 1934 Correspondence Bird watching Birds--Identification Ornithology--Study and teaching Birds--Classification Zoological specimens 1934-05-16 N/A
Philip DuMont letter to James Peters regarding Sparrow specimens, October 1, 1934 Correspondence Bird watching--Guidebooks Birds--Identification Ornithology--Study and teaching Birds--Classification Zoological specimens 1934-10-01 N/A
Philip DuMont letter to Malcolm McDonald regarding Starling account, May 20, 1935 Correspondence Bird watching Introduced birds 1935-05-20 N/A
Philip DuMont letter to Martin Grant regarding the Check-list of Iowa Birds, December 7, 1962 Correspondence Bird watching Birds--Nomenclature Birds--Classification 1962-12-07 N/A
Philip DuMont letter to Myrle Jones regarding the reporting of sightings of rare birds, April 29, 1944 Correspondence Bird watchers Bird watching Rare birds 1944-04-29 N/A
Philip DuMont letter to the Des Moines Register regarding an article about American Egrets, August 18, 1934 Correspondence Bird watching Birds--Geographical distribution 1934-08-18 N/A
Philip DuMont letter to Walter Rosene regarding articles, Ducks and Doves, July 27, 1935 Correspondence Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Fowling 1935-07-27 N/A
Philip DuMont letter to William Bell regarding Starlings in Iowa, March 16, 1933 Correspondence Bird surveys Bird watching Birds--Counting Introduced birds 1933-03-16 N/A
Philip DuMont letter to William Jarnagin regarding request for Starling information, May 23, 1935 Correspondence Bird watching Introduced birds Ornithology--Methodology 1935-05-20 N/A
Philip DuMont letter to Woodward Brown regarding Iowa bird checklist, April 26, 1954 Checklists Correspondence Bird watching Birds--Nomenclature Birds--Classification 1954-04-26 N/A
Philip J. Walsh letter to Thomas H. Kent regarding discrepancies in the spring 1997 field reports, November 6, 1997 Correspondence Field notes Bird watching Birds--Counting 1997-11-06 N/A