Title Genres Topics Date (Start) Date (End)
Darwin Koenig letter to Thomas H. Kent regarding winter bird sightings, March 4, 1983 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1983-03-04 N/A
Darwin Koenig letter to Thomas H. Kent regarding summer bird sightings, July 31, 1981 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
Darwin Koenig letter to Thomas H. Kent regarding fall bird sightings, December 2, 1998 Correspondence Field notes Bird watching Birds--Counting 1998-12-02 N/A
Darwin Koenig letter to Thomas H. Kent regarding bird sightings, July 30, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1980-07-30 N/A
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, fall 1977 Correspondence Field notes Bird watching Birds--Counting 1977-08-01 1977-11-30
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, December 1, 1978 Correspondence Field notes Bird watching Birds--Counting 1978-12-01 N/A
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, July 31, 2002 Correspondence Field notes Bird watching Birds--Counting Birds--Nests 2002-07-31 N/A
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1989 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Infancy 1989-08-03 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, summer 2004 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Parulidae | Warblers Birds--Infancy 2004-06-01 2004-07-31
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, July 29, 2003 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 2003-07-29 N/A
Dale Stone letter to Robert K. Myers regarding bird sightings, April 4, 1987 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1987-04-04 N/A
Clarice Watson letter to Vernon M. Kleen regarding bird sightings, July 12, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birdsongs Birds--Infancy Birds--Feeding and feeds 1980-07-12 N/A
Charlotte Scott letter to Thomas H. Kent regarding sightings of American Avocets and a Brewer's Blackbird, fall 1992 Correspondence Field notes Bird watching Birds--Counting 1992-08-01 1992-11-30
Charlotte Scott letter to Thomas H. Kent regarding bird sightings, September 12, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Charadriiformes | Shore-birds, Gulls, and Auks Songbirds Birds--Feeding and feeds 1980-09-12 N/A
Charlotte Scott letter to Nicholas S. Halmi regarding bird sightings, February 17, 1977 Correspondence Field notes Bird watching Birds--Counting 1977-02-17 N/A
Burt Gresham letter to Philip DuMont regarding Goose migration, April 9, 1938 Correspondence Field notes Surveys (documents) Bird watching Birds--Counting Birds--Migration 1938-04-09 N/A
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 N/A
Bruce Ehresman email to Lisa Hemesath and others regarding Sandhill Crane sightings, May 30, 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Nests 1997-05-30 N/A
Bill Youngworth letter to Woodward Hart Brown regarding dubious Christmas census reports, May 25, 1954 Correspondence Bird watching Birds--Counting Birds--Geographical distribution Winter Zoological specimens 1954-05-25 N/A
Beth Proescholdt letter to Thomas H. Kent regarding record Hawk counts, December 1, 1998. Correspondence Field notes Bird watching Birds--Counting Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology 1998-12-01 N/A
Beth Proescholdt letter to Thomas H. Kent regarding a correction to a previous report, April 22, 1992 Correspondence Field notes Bird watching Birds--Counting 1992-04-22 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, November 30, 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 1997-11-30 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, December 6, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1993-12-06 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, December 5, 1998 Correspondence Field notes Bird banding Bird watching Birds--Counting 1998-12-05 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, December 4, 1992 Correspondence Field notes Bird declines Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies 1992-12-04 N/A