Title Genres Topics Date (Start) Date (End)
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 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 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 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 book review, December 9, 1931 Correspondence Ornithological literature Books--Reviews 1931-12-09 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
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
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 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 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 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 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 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 John C. Welter regarding a request for Wood Duck house information, September 14, 1964 Correspondence Birdhouses--Design and construction Bird attracting 1964-09-14 N/A
Frederic Leopold letter to Keith M. Schreiner regarding Schreiner's thesis and Wood Duck nest predation, March 5, 1952 Correspondence Birds--Nests Ornithology--Study and teaching Predatory animals Squirrels--Behavior 1952-03-05 N/A
Frederic Leopold letter to Lawrence A. Bjonerud regarding identifying Wood Ducks, May 18, 1966 Correspondence Birds--Habitat Birds--Identification Birds--Nests 1966-05-18 N/A
Frederic Leopold letter to Merle Strasser regarding Wood Ducks and Jay N. Darling, May 20, 1966 Correspondence Wildlife conservationists Birdhouses--Design and construction 1966-05-20 N/A
Frederic Leopold letter to Peter P. Laude regarding an invitation to view the Wood Ducks and the Iowa Ornithologists' Union annual meeting, February 18, 1952 Correspondence Birds--Habitat Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching Wood duck--Behavior 1952-02-18 N/A
Frederic Leopold letter to Peter P. Laude regarding nesting Wood Ducks and the Iowa Ornithologists' Union annual convention, May 12, 1952 Correspondence Birds--Habitat Birds--Nests Congresses and conventions Ornithology--Societies, etc 1952-05-12 N/A
Frederic Leopold letter to Peter P. Laude regarding the Iowa Ornithologists' Union annual meeting, January 16, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Meetings 1952-01-16 N/A
Frederic Leopold letter to Stella M. Perkins regarding Wood Duck houses, May 19, 1966 Correspondence Birds--Eggs Birdhouses--Design and construction Bird attracting Raccoon--Behavior 1966-05-19 N/A
Frederic Leopold letter to Sue L. Schroder regarding Wood Duck houses, June 1, 1966 Correspondence Birdhouses--Design and construction Bird attracting 1966-06-01 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 the editor of the St. Paul Pioneer Press Dispatch regarding hunting and the effect on duck populations, April 27, 1988 Correspondence Birds--Conservation Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-04-27 N/A
Frederick Lincoln letter to Mrs. J. E. Stewart regarding "Birds of Polk County, Iowa", December 8, 1931 Correspondence Ornithology--Methodology Ornithological literature English language--Homonyms 1931-12-08 N/A