Title Genres Topics Date (Start) Date (End)
Barbara L. Wilson letter to Carl J. Bendorf regarding fall bird sightings, November 27, 1987 Correspondence Field notes Bird watching Birds--Counting Weather Birds--Infancy Wildlife rescue 1987-11-27 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather 1981-07-31 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding winter bird sightings and the Hairy Woodpecker population, February 28, 1983 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather Emberizidae | Sparrows 1983-02-28 N/A
Bery Engebretsen letter to Carl J. Bendorf regarding fall bird sightings, December 1, 1987 Correspondence Field notes Bird watching Birds--Counting Gaviiformes | Loons Weather 1987-12-01 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
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 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, November 30, 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 1997-11-30 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
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
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 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
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
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 summer bird sightings, July 31, 2002 Correspondence Field notes Bird watching Birds--Counting Birds--Nests 2002-07-31 N/A
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 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 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 winter bird sightings, March 4, 1983 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1983-03-04 N/A
Dennis L. Carter letter to James J. Dinsmore regarding summer bird sightings, August 1, 2005 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 5005-08-01 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
Erik Munson letter to the members of Big Bluestem Audubon Society regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting 1990-01-01 1990-12-31
Fred K. Thompson letter to Nicholas S. Halmi regarding spring bird sightings and checklists, May 30, 1979 Checklists Correspondence Field notes Bird watching Birds--Counting Parulidae | Warblers 1979-05-30 N/A
Fred Lesher letter to Nicholas S. Halmi regarding bird sightings, March 26, 1979 Correspondence Field notes Bird watching Birds--Counting Parulidae | Warblers 1979-03-26 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