Title Genres Topics Date (Start) Date (End)
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 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
Gus Glaser letter to Frederic Leopold regarding Wood Duck houses, May 20, 1966 Correspondence Birds--Habitat Birdhouses Bird attracting 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
Adrey E. Borell letter to Frederic Leopold regarding Wood Duck houses, December 12, 1951 Correspondence Birds--Habitat Birdhouses Predatory animals Duck populations 1951-12-12 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
John C. Welter letter and attached list to Frederic Leopold regarding Wood Duck houses, May 14, 1970 Correspondence Bird watching Birdhouses 1970-05-14 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
Photograph of Wood Duck ducklings leaving the duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior N/A N/A
Photograph of a Purple Martin house on a pole Photographs Birdhouses 1925-01-01 1925-12-31
Wood Duck nesting records, volume one, 1939-1953 Clippings (information artifacts) Field notes Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1939-01-01 1953-12-31
Photograph of a Wood Duck house Photographs Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of a Wood Duck perched on a Wood Duck house Photographs Birds--Habitat Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of a Wood Duck house and an observation blind in front of Frederic Leopold's house Photographs Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of Frederic Leopold on a ladder checking a Wood Duck house Photographs Bird watchers Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of a Wood Duck in a house Photographs Birds--Research Ornithology--Methodology Birdhouses--Design and construction 1965-01-01 1965-12-31
Photograph of an adult Wood Duck leaving a duck house Photographs Birds--Research Birdhouses Wood duck--Behavior 1965-01-01 1965-12-31
Photograph of a snake among duck eggs in a Wood Duck house Photographs Birds--Eggs Birds--Research Birdhouses Predatory animals 1965-01-01 1965-12-31
Photograph of the inside bottom of a Wood Duck house Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of a snake in a Wood Duck house Photographs Birds--Research Birdhouses Predatory animals 1965-01-01 1965-12-31
Stella M. Perkins letter to Frederic Leopold regarding Wood Duck houses Correspondence Birds--Nests Birdhouses Bird attracting Raccoon--Behavior Zoological illustration 1966-05-01 1966-05-18
Photograph of paper covering the entrance to a Wood Duck house Photographs Birds--Research Ornithology--Methodology Birdhouses--Design and construction 1966-05-01 1966-05-31