Title Genres Topics Date (Start) Date (End)
K. D. Bartell letter to Frederic Leopold regarding a request for information on Wood Duck houses, January 9, 1952 Correspondence Birdhouses--Design and construction Bird attracting 1952-01-09 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
Peter P. Laude letter to Frederic Leopold regarding an invitation to speak at the Iowa Ornithologists' Union convention, January 10, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching Meetings 1952-01-10 N/A
Raymond Findley letter to Frederic Leopold regarding a request for information on Wood Duck houses, February 4, 1952 Correspondence Birds--Nests Country life Birdhouses--Design and construction Bird attracting 1952-02-04 N/A
Lee Miller letter to Frederic Leopold regarding Wood Duck houses, February 8, 1952 Correspondence Birdhouses--Design and construction Duck populations Ducklings Wood duck--Behavior 1952-02-08 N/A
Peter P. Laude letter to Frederic Leopold regarding the acceptance of the invitation to speak at the Iowa Ornithologists' Union convention, February 13, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching 1952-02-13 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
Robert F. Vane letter regarding an invitation to the 30th annual convention of the Iowa Ornithologists' Union, April 10, 1952 Correspondence Congresses and conventions Ornithology--Societies, etc Ornithology--Study and teaching 1952-04-10 N/A
Peter P. Laude letter to Frederic Leopold regarding an invitation to view nesting Wood Ducks, April 16, 1952 Correspondence Birds--Habitat Birds--Nests Ornithology--Study and teaching Birdhouses 1952-04-16 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 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
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
Peter Ward letter to Frederic Leopold regarding raising wood ducks, May 30, 1962 Correspondence Birds--Feeding and feeds Aviculture Eggs--Incubation Duck populations Ducklings 1962-05-30 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
John C. Welter letter to Frederic Leopold regarding Wood Duck house information, September 9, 1964 Correspondence Birdhouses--Design and construction Bird attracting 1964-09-09 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
Don Joffray letter to Frederic Leopold regarding Wood Duck houses and nest takeover and predation, April 20, 1966 Correspondence Birds--Eggs Birds--Nests Birdhouses--Design and construction Predatory animals Squirrels--Behavior Raccoon--Behavior 1966-04-20 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
Sue L. Schroder letter to Frederic Leopold regarding Wood Ducks, May 29, 1966 Correspondence Country life Birdhouses Bird attracting 1966-05-29 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
Grace McManis letter to Frederic Leopold regarding Wood Ducks, May 15, 1966 Correspondence Bird banding Country life Birdhouses--Design and construction Aviculture Ducklings 1966-05-15 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
Gus Glaser letter to Frederic Leopold regarding Wood Duck houses, May 20, 1966 Correspondence Birds--Habitat Birdhouses Bird attracting 1966-05-20 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
Merle Strasser letter to Frederic Leopold regarding Wood Ducks, May 18, 1966 Correspondence Bird watching Wildlife conservation Wildlife conservationists Birdhouses 1966-05-18 N/A