Title Genres Topics Date (Start) Date (End)
Frederic Leopold letter to Gus Glaser regarding Wood Duck houses, May 23, 1966 Correspondence Birdhouses--Design and construction Bird attracting Ducklings 1966-05-23 N/A
Frederic Leopold letter to Grace McManis regarding Wood Duck houses, May 17, 1966 Correspondence Birdhouses--Design and construction Birds--Feeding and feeds Ducklings 1966-05-17 N/A
Frederic Leopold letter to Don Joffray regarding Wood Duck houses and nest predation, April 25, 1966 Correspondence Birds--Eggs Birds--Nests Birdhouses--Design and construction Predatory animals Raccoon--Behavior 1966-04-25 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
Frederic Leopold letter to Clarence Schneider regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Birds--Nests Ornithology--Methodology Birdhouses Ducks--Counting 1963-03-29 N/A
Frederic Leopold letter to A.S. Hawkins regarding hunting and the effect on duck populations, January 13, 1988 Correspondence Birds--Conservation Birds--Habitat Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-01-13 N/A
Frederic Leopold letter regarding a request for Wood Duck house information, February 1, 1952 Correspondence Birdhouses--Design and construction Bird attracting 1952-02-01 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 Philip DuMont regarding book review, December 9, 1931 Correspondence Ornithological literature Books--Reviews 1931-12-09 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 Oscar Allert regarding stamp collecting, May 20, 1939 Correspondence Bird watching Ornithology--Periodicals Stamp collecting Postage stamps 1939-05-20 N/A
Fred Lesher letters to Thomas H. Kent regarding bird sightings, March 12, 1983 and June 3, 1983 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Ornithology--Study and teaching 1983-03-01 1983-06-03
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
Fred Lesher letter to Thomas Kent regarding Wood Duck sighting, November 30, 1985 Correspondence Field notes Bird watching 1985-08-01 1985-11-30
Fred Lesher letter to Thomas Kent regarding Saw-whet Owl calls, March 15, 1981 Correspondence Field notes Bird watching Birding sites Birds--Nests Birdsongs Accipitridae | Hawks and Eagles 1981-03-15 N/A
Fred Lesher letter to Thomas Kent regarding Little Blue Heron sighting, April 11, 1981 Correspondence Field notes Bird watching 1981-04-11 N/A
Fred Lesher letter to Thomas H. Kent regarding bird sightings in West Des Moines, Iowa, August 16, 1982 Correspondence Field notes Bird declines Bird watching Birds--Research Ornithology--Methodology Vireonidae | Vireos 1982-08-16 N/A
Fred Lesher letter to Thomas H. Kent regarding bald eagle nests, April 14, 1985 Correspondence Field notes Maps (documents) Bird watching Birds--Nests Cartography Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Nest building 1985-04-14 N/A
Fred Lesher letter to Thomas H. Kent regarding a raptor survey and winter bird sightings, February 6, 1983 Correspondence Field notes Bird surveys Bird watching Birds--Research Ornithology--Methodology 1983-02-06 N/A
Fred Lesher letter to Peter C. Petersen regarding Bald Eagle nests, April 12, 1985 Correspondence Field notes Birds--Nests 1985-04-12 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 Jim Dinsmore regarding Bald Eagle sighting, July 30, 1994 Correspondence Field notes Bird watching Charadriiformes | Shore-birds, Gulls, and Auks 1994-07-30 N/A
Fred Lesher letter to James J. Dinsmore regarding bird sightings, August 31, 2000 Correspondence Field notes Bird watching Birdsongs 2000-08-31 N/A
Fred Lesher letter to Fred Kent regarding bird sightings, June 26, 1965 Correspondence Field notes Bird banding Bird watching Birds--Identification Photography of birds Rare birds Camping 1965-06-26 N/A
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