Title Genres Topics Date (Start) Date (End)
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
Annotated bird sighting list for fall 1983 compiled by Marion Brewer Field notes Surveys (documents) Bird watching Birds of prey Birds--Identification Tyrannidae | Flycatchers Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Troglodytidae | Wrens Birdhouses Binoculars 1983-08-01 1983-11-30
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
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
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
Dorothy Clayton Pohl letter regarding house finch sightings, July 23, 1986 Correspondence Field notes Bird watching Birdhouses 1986-07-23 N/A
Duck boxes Instructions (document genre) Research notes Birdhouses--Design and construction N/A N/A
Field notes contributed by Marietta Petersen, summer 2003 Field notes Bird watching Birds--Identification Birdsongs Birdhouses 2003-06-01 2003-07-31
Field notes contributed by Marion M. Brewer, fall 1992 Field notes Forms (documents) Bird watching Birds--Counting Birdhouses 1992-08-01 1992-11-30
Field notes contributed by Sharon Laub, spring 1987 Field notes Forms (documents) Bird watching Birds--Counting Weather Birdhouses 1987-03-01 1987-05-31
Field reports form for submitting seasonal observations of Iowa birds Field notes Surveys (documents) Bird watching Birds of prey Fringillidae | Finches Parulidae | Warblers Water birds Birdhouses 1985-08-01 1985-11-30
Field reports form for submitting seasonal observations of Iowa birds, Carol Alexander, Spring 1993 Field notes Bird feeders Bird pests Bird watching Birds--Food Weather Birdhouses 1993-03-01 1993-05-31
Field reports form for submitting seasonal observations of Iowa birds, Jack Jones, summer 1987 Field notes Forms (documents) Bird watching Birds--Counting Birds--Eggs Birds--Nests Birds--Infancy Birdhouses 1987-06-01 1987-07-31
Field reports form for submitting seasonal observations of Iowa birds, Marion Brewer, Spring 1986 Field notes Bird watching Turdidae | Thrushes Parulidae | Warblers Weather Birdhouses 1986-03-01 1986-05-31
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 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 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 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 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
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