Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Peter C. Petersen regarding spring migration at Red Rock Refuge, June 12, 1970 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests 1970-06-12 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, June 2, 1977 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Eggs 1977-06-02 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, April 5, 1977 Correspondence Field notes Bird watching Birds--Research Hunting--Moral and ethical aspects 1977-04-05 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, June 8, 1977 Correspondence Field notes Bird watching Birds--Counting Charadriiformes | Shore-birds, Gulls, and Auks 1977-06-08 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 24, 1977 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1977-03-24 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 18, 1977 Correspondence Field notes Bird watching Birds--Behavior Anseriformes | Ducks, Geese, and Swans Predation (Biology) 1977-03-18 N/A
Gladys Black letter to Nicholas S. Halmi, regarding bird sightings, March 6, 1977 Correspondence Field notes Bird populations Bird watching Birds of prey Birds--Food Birds--Habitat Wit and humor 1977-03-06 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird watching, April 27, 1977 Correspondence Field notes Bird watching Birds--Nests Rare birds Predation (Biology) 1977-04-27 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, March 6, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-06 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, February 22, 1978 Correspondence Field notes Maps (documents) Bird watching Birds--Research 1978-02-22 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, April 17, 1978 Correspondence Field notes Bird watching Birds--Research 1978-04-17 N/A
Gladys Black letter to Nicholas S. Halmi regarding winter bird sightings, February 9, 1979 Correspondence Field notes Bird watching Birds--Research 1979-02-09 N/A
Gladys Black letter to Michael Newlon regarding bird sightings including a Pine Grosbeak, February 1, 1984 Correspondence Field notes Photographs Bird feeders Bird watching Birds--Identification Rare birds 1984-02-01 N/A
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, January 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-01-24 N/A
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, March 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-03-24 N/A
Gladys Black letter and report to Vernon M. Kleen regarding winter Red Rock Lake area bird sightings, March 6, 1974 Correspondence Field notes Bird populations Bird watching Birds--Nests Birds--Research 1974-03-06 N/A
George Kaufman letter to Oscar Allert regarding Bald Eagle and King Rail sightings, August 17, 1939 Correspondence Field notes Bird watching Birds--Nests 1939-08-17 N/A
George Hendrickson letter to Philip DuMont regarding final review for a revised checklist, October 8, 1956 Correspondence Bird watching Birds--Nomenclature 1956-10-08 N/A
George Hendrickson letter to Philip DuMont regarding revising the Iowa Bird checklist, May 22, 1956 Correspondence Bird watching Birds--Nomenclature 1956-05-22 N/A
Frederic Leopold letter to the Des Moines County Conservation Board regarding Wood Duck houses, April 21, 1970 Correspondence Bird watching Birdhouses Duck populations 1970-04-21 N/A
Frederic Leopold letter to Clarence W. Moody regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Bird watching Birds--Nests Ornithology--Methodology Ducks--Counting 1963-03-29 N/A
Fred Pierce letter to Philip DuMont regarding a questionable Swallow-tailed Kite sighting, June 25, 1945 Correspondence Bird watching Birds--Identification 1945-06-25 N/A
Fred Pierce letter to Philip DuMont regarding Christmas bird census, December 25, 1938 Correspondence Bird surveys Bird watching Ornithologists Families 1938-12-25 N/A
Fred Pierce letter to Oscar Allert regarding stamp collecting, May 20, 1939 Correspondence Bird watching Ornithology--Periodicals Stamp collecting Postage stamps 1939-05-20 N/A
Fred Lesher letter to Vernon M. Kleen regarding bird sightings, February 8, 1979 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1979-02-08 N/A