Title Genres Topics Date (Start) Date (End)
Keith M. Schreiner letter to Frederic Leopold regarding a Wood Duck nesting study paper, February 21, 1952 Correspondence Birds--Habitat Birds--Nests Ornithology--Study and teaching Predatory animals Squirrels--Behavior Ducklings 1952-02-21 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
Ray Warner letter to Frederic Leopold regarding a Wood Duck presentation and thoughts on hunting, March 21 Correspondence Ornithology--Study and teaching Wildlife conservation Hunting--Moral and ethical aspects 1977-03-21 N/A
Clark Hollingsworth letter to Frederic Leopold regarding a request for information on Wood Ducks, January 6, 1952 Correspondence Ornithology--Study and teaching Birds--Feeding and feeds Bird attracting 1952-01-06 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
Letter from Wilma Walton with an enclosed letter from Ronald Wright to Frederic Leopold regarding Wood Ducks, May 28, 1970 Correspondence Bird watching Ornithology--Study and teaching Country life Birdhouses--Design and construction 1970-05-28 N/A