Title Genres Topics Date (Start) Date (End)
Philip DuMont telegram to Burt Gresham regarding Goose migration, March 18, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-18 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1936-03-01 1936-05-31
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 Burt Gresham regarding Goose migration, April 4, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-04-04 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
Peter Ernzen letter to Thomas Kent regarding spring migration, spring 1998 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birdsongs 1998-03-01 1998-05-31
Peter C. Peterson letter to Woodward H. Brown, regarding fall migration 1971, November 14, 1971 Correspondence Bird banding Bird watching Birds--Migration 1971-11-14 N/A
Peter C. Petersen letter to Woodward H. Brown, regarding fall migration 1975, December 9, 1975 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1975-12-09 N/A
Peter C. Petersen letter to Vernon M. Kleen regarding spring migration 1971, June 5, 1971 Correspondence Bird watching Birds--Migration Tyrannidae | Flycatchers 1971-06-05 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding spring bird sightings, May 30, 1979 Correspondence Field notes Bird watching Birds--Migration Parulidae | Warblers 1979-05-30 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 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 Nicholas S. Halmi regarding bird sightings, May 31, 1978. Correspondence Field notes Bird watching Birds--Migration Birds--Research 1978-05-31 N/A
Nicholas S. Halmi letter to Vernon M. Kleen reporting summer sightings, August 2, 1974 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Weather 1974-08-02 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted near Iowa City during spring migration, June 1, 1975 Correspondence Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1975-06-01 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during winter 1972-1973, including rare birds, March 20, 1973 Correspondence Field notes Bird populations Bird watchers Bird watching Birds--Habitat Birds--Migration Ornithology--Methodology Rare birds Country life 1973-03-20 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during the winter season, April 1, 1974 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Migration Citizen science 1974-04-01 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during fall 1974, November 30, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1974-11-30 N/A
Nettie Funk letter to LeRoy Weeks regarding migratory birds Correspondence Birds--Migration Rare birds Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A
Neil Bernstein letter to James J. Dinsmore regarding summer bird sightings, summer 1993 Correspondence Field notes Bird declines Bird watching Birds--Behavior Birds--Counting Birds--Identification Birds--Migration Birdsongs 1993-06-01 1993-07-31
Michael D. Cox letter to Thomas H. Kent regarding captured and banded raptors, November 17, 1993 Correspondence Field notes Bird banding Birds--Migration Accipitridae | Hawks and Eagles Wildlife rehabilitation 1993-11-17 N/A