Title Genres Topics Date (Start) Date (End)
Eloise Armstrong and Eugene Armstrong letter to Carl J. Bendorf regarding bird sightings, November 28, 1988 Correspondence Field notes Bird feeders Bird watching Birds--Identification Birdsongs 1988-11-28 N/A
Eloise Armstrong and Dennis Thompson letter to James J. Dinsmore regarding bird sightings Correspondence Field notes Bird watching Birds--Counting 1986-06-01 1986-07-31
Ellison Orr letter to Oscar Allert regarding Peregrine Falcon sightings, March 10, 1934 Correspondence Field notes Bird watching Birds--Geographical distribution Birds--Nests 1934-03-10 N/A
Ellison Orr letter to Oscar Allert regarding Peregrine Falcon sightings, April 5, 1934 Correspondence Field notes Bird watching Birds--Food Birds--Geographical distribution Birds--Nests Anseriformes | Ducks, Geese, and Swans Duck shooting 1934-04-05 N/A
Ellison Orr letter to Oscar Allert regarding a Bald Eagle nest sight, May 17, 1939 Correspondence Field notes Bird watching Birds--Food Birds--Nests 1939-05-17 N/A
Elizabeth Christiansen letter to Thomas Kent regarding field reports for April and May, May 23, 1986 Correspondence Field notes Bird watching Birds--Identification 1986-05-23 N/A
Elizabeth Christiansen letter to Thomas Kent regarding Bewick's Wren, April 23, 1986 Correspondence Field notes Bird watching 1986-04-23 N/A
Eldon J. Bryant letter to Woodward H. Brown regarding spring migration, May 17, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-05-17 N/A
Eldon J. Bryant letter to Thomas H. Kent regarding spring bird sightings, Akron, Iowa, May 28, 1984 Correspondence Field notes Bird kills Bird watching Birds--Migration Birds--Research Weather 1984-05-28 N/A
Eldon J. Bryant letter to James J. Dinsmore regarding a Blue-Gray Gnatcatcher sighting, July 15, 1993 Correspondence Field notes Bird watching Birds--Identification Rare birds 1993-07-15 N/A
Elaine and Don Johnson letter to Thomas H. Kent regarding banding, August 13, 1982 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology 1982-08-13 N/A
Edwin G. Crocker letter to Peter C. Petersen and Gladys Black regarding sighting of a Snowy Owl, January 29, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-01-29 N/A
Edwin G. Crocker letter to Gladys Black and Peter C. Petersen regarding a bird sighting, June 19, 1980 Correspondence Field notes Bird watching Birds--Feeding and feeds 1980-06-19 N/A
Edward William Nelson letter to the bird migration observers of the Biological Survey regarding a change in reporting bird observations, March 2, 1925 Correspondence Instructions (document genre) Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1925-03-02 N/A
Edward Alphonso Goldman letter to Walter Rosene regarding the receipt of the 1924 bird migration report from Ogden, North Dakota, and Minnesota, March 26, 1925 Correspondence Bird watching Birds--Migration 1925-03-26 N/A
Edward Alphonso Goldman letter to Walter Rosene regarding the receipt of the 1922 bird migration report, January 13, 1923 Correspondence Bird watching Birds--Migration 1923-01-13 N/A
Dwight N. Blumer letter to Thomas H. Kent regarding winter bird sightings, January 30, 1983 Correspondence Field notes Bird watching Birds--Migration Birds--Research Country life 1983-01-30 N/A
Douglas Harr letter to Thomas Kent regarding spring field observations, May 28, 1981 Correspondence Field notes Bird watching Birds--Identification 1981-05-28 N/A
Douglas H. Pratt letter to Nicholas S. Halmi regarding bird sightings, November 21, 1978 Correspondence Field notes Bird watching 1978-11-21 N/A
Douglas E. Trapp letter to Thomas H. Kent regarding raptor migration watch, October 3, 1986 Correspondence Field notes Bird watching Birds of prey Birds--Migration Ornithology--Methodology Weather 1986-10-03 N/A
Douglas E. Trapp letter to Robert K. Myers regarding bird sightings, June 2, 1988 Correspondence Field notes Bird watching Birds--Research 1988-06-02 N/A
Douglas E. Trapp letter to Robert K. Myers regarding a bird sighting, April 13, 1987 Correspondence Field notes Bird watching 1987-04-13 N/A
Douglas E. Trapp letter to James J. Dinsmore regarding two owl species sightings, August 1, 1988 Correspondence Field notes Bird watching Birdsongs 1988-08-01 N/A
Douglas C. Harr letter to Thomas Kent regarding notable field records for winter, February 24, 1981 Correspondence Field notes Bird watching 1981-02-24 N/A
Douglas C. Harr letter to Thomas H. Kent regarding summer bird sightings, July 23, 1981 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A