Title Genres Topics Date (Start) Date (End)
Pete Petersen letter to Robert Myers regarding House Finch nesting, June 2, 1986 Field notes Bird watching Birds--Infancy 1986-06-02 N/A
Judy Knight letter to Jim Dinsmore regarding bird sightings, August 6, 1994 Correspondence Field notes Bird watching Birds--Nests 1994-08-06 N/A
Hank Zaletel letter to Nicholas S. Halmi regarding bird sightings, March 7, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-07 N/A
Robert Cecil letter to Robert Myers regarding Black and White Warbler sighting, June 2, 1986 Correspondence Field notes Bird watching 1986-06-02 N/A
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1953 Checklists Field notes Bird watching Birds--Migration Birds--Research 1938-11-17 1959-12-31
Photograph of Smith's Longspur, 1990 Field notes Photographs Bird watching Birds--Identification Photography of birds 1990-04-12 1990-07-31
Peter C. Peterson letter to Thomas Kent regarding Vireo and Warbler accounts and Fall birds sighted, November 30, 1980 Correspondence Field notes Bird watching Nature photography Vireonidae | Vireos Parulidae | Warblers 1980-11-30 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 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
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 Thomas H. Kent regarding bird sightings, December 1, 1980 Correspondence Field notes Bird watching 1980-12-01 N/A
Corrections to Fall 1984 Field reports Field notes Bird watching 1985-08-01 1985-11-30
Note about September 22 Field notes Bird watching Vireonidae | Vireos Parulidae | Warblers 1985-09-22 N/A
Correction: Spring 1985 Field notes Bird watching 1985-08-01 1985-11-30
Paul Martsching letter to Thomas Kent regarding Greater Scaup documentation, November 27, 1985 Correspondence Field notes Bird watching 1985-11-27 N/A
Babs Padelford letter to Thomas H. Kent, regarding birds spotted by Rick Wright, June 7, 1985 Correspondence Field notes Bird watching Birds--Identification 1985-06-07 N/A
Opal Uher letter to James J. Dinsmore regarding a request to purchase a Peter C. Petersen publication, August 9, 1988 Correspondence Field notes Bird feeders Bird watching Birds--Nests Birds--Research Ornithology--Societies, etc Birds--Infancy 1988-08-09 N/A
Field notes contributed by James J. Dinsmore, July 14, 1979 Field notes Bird watching Birds--Nests Birds--Research Water birds Weather Wetland birds 1979-07-14 N/A
Field report for the Iowa City area, April 16, 1977 Field notes Bird watching 1977-04-16 N/A
Field report, Coralville Reservoir Area and Big Bend, April 9, 1977 Field notes Bird watching Birds--Counting 1977-04-09 N/A
Field report, May 7, 1977 Field notes Bird watching Weather 1977-05-07 N/A
Notes to field reports contributed by Francis L. Moore, spring 1984 Field notes Bird watching Birds--Identification 1984-03-01 1984-05-31
Phone call notes for annotated bird sighting list, March 7, 1981 Field notes Bird watching 1981-03-07 N/A