Title Genres Topics Date (Start) Date (End)
Memo for Iowa Ornithologists' visitors, May 17 Lecture notes Bird watchers Birds--Research Ornithology--Methodology Birdhouses 1970-05-17 N/A
Photograph of a House Wren with food for young Photographs Birds--Infancy Birdhouses 1933-07-27 N/A
Iowa Bluebird Directory 1990, Bluebird Recovery Program Maps (documents) Reports Charts (graphic documents) Bird populations Bird watchers Birds--Conservation Birds--Nests Birdhouses--Design and construction Predatory animals Wildlife reintroduction Insect pests--Control 1990-01-01 1990-12-31
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