Title Genres Topics Date (Start) Date (End)
Lantern slide of Walter Rosene in a tree Lantern slides Bird watchers N/A N/A
Photograph of an observation tower next to a tree with a Great Horned Owl nest Photographs Bird watchers Birds--Nests 1932-04-09 N/A
Photograph of Big Bluestem Audubon Society past presidents Photographs Bird watchers Ornithology--Societies, etc 1998-05-01 1998-05-31
Lantern slide and photograph of Walter Rosene on a ladder attached to a tree Lantern slides Photographs Bird watchers Birds--Nests Ornithology--Methodology N/A N/A
Photograph of a group of Iowa Ornithologists' Union birders Photographs Bird watchers Ornithology--Societies, etc N/A N/A
Photograph of Iowa Ornithologists' Union presidents Photographs Bird watchers Ornithology--Societies, etc 1933-05-06 N/A