Title Genres Topics Date (Start) Date (End)
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
Lantern slide and photograph of a Purple Martin perching on a birdhouse Lantern slides Photographs Bird watching Birdhouses 1926-07-15 N/A
Photograph of a House Wren with food for young Photographs Birds--Infancy Birdhouses 1933-07-27 N/A
Bruce Ehresman letter to Lee Gladfelter regarding wildlife notes, July 1, 1994 Correspondence Field notes Bird watching Birds--Nests Birdhouses 1994-07-01 N/A
Dorothy Clayton Pohl letter regarding house finch sightings, July 23, 1986 Correspondence Field notes Bird watching Birdhouses 1986-07-23 N/A
Wood Duck nesting boxes Instructions (document genre) Research notes Birdhouses--Design and construction Bird attracting Wood duck--Behavior 1970-10-12 N/A
Memo for Iowa Ornithologists' visitors, May 17 Lecture notes Bird watchers Birds--Research Ornithology--Methodology Birdhouses 1970-05-17 N/A
Preparations for the spring return of nesting Wood Ducks Reports Birdhouses Hunting--Moral and ethical aspects Eggs--Incubation Duck populations Ducklings Wood duck--Behavior N/A N/A
Photograph of Wood Duck ducklings leaving the duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior N/A N/A
Report to Wood Duck observers with attached mailing list, September 13, 1963 Reports Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Birdhouses--Design and construction Ducks--Counting 1963-09-13 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
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 the Des Moines County Conservation Board regarding Wood Duck houses, April 21, 1970 Correspondence Bird watching Birdhouses Duck populations 1970-04-21 N/A
Barb L. Wilson letter to Thomas H. Kent regarding weather and bird migration, June 2, 1985, with accompanying field notes Correspondence Field notes Bird banding Bird watching Birds--Identification Birds--Migration Birds--Nests Birdsongs Weather Birdhouses 1985-06-02 N/A
Duck boxes Instructions (document genre) Research notes Birdhouses--Design and construction N/A 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
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
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
Gus Glaser letter to Frederic Leopold regarding Wood Duck houses, May 20, 1966 Correspondence Birds--Habitat Birdhouses Bird attracting 1966-05-20 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 Grace McManis regarding Wood Duck houses, May 17, 1966 Correspondence Birdhouses--Design and construction Birds--Feeding and feeds Ducklings 1966-05-17 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
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
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
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