Title Genres Topics Date (Start) Date (End)
Questionnaire for a new birds of Iowa, William Youngworth Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Principal waterfowl flyways, Fall migration Maps (documents) Birds--Migration Flyways N/A N/A
Round Lake, State Game Refuge, 1928 Photographs Photography of birds Water birds 1928-01-01 1928-12-31
American Egrets, Allen Green Refuge, Burlington, Iowa Photographs Photography of birds N/A N/A
Iowa Ornithologists' Union letters to members regarding activities of the organization Correspondence Congresses and conventions Conservationists Ornithology--Societies, etc Ornithologists 1923-02-12 1930-12-09
Questionnaire for a new birds of Iowa, Edgar Harlan Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Sanderson, Schuenke, Bullock Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Oscar Allert Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Althea Sherman Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Charles Spiker Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, George Hendrickson Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Emil Nauman Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Bernt Wolden Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Walter Rosene Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Francis Roberts Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
List of bird sighted in Boone County on May 14, 1933 Field notes Research notes Bird watching Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers Weather Emberizidae | Sparrows 1933-05-14 N/A
Observations of Iowa lakes, March 26, 1935 Research notes Water birds Water levels Lakes--Iowa Natural areas 1935-03-26 N/A
Notes on Iowa birds during the summer of 1934 Field notes Drafts (documents) Articles Bird watching Birds--Nests Anseriformes | Ducks, Geese, and Swans Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Strigiformes | Owls 1934-06-01 1934-07-31
A list of birds in "Birds of Iowa" which lack Iowa specimens Research notes Bird watching Birds--Geographical distribution Zoological specimens N/A N/A
Material to find in Iowa Research notes Birds--Geographical distribution Birds--Collection and preservation N/A N/A
Specimens in Iowa collections to be considered as accidental Research notes Birds--Geographical distribution Rare birds Zoological specimens N/A N/A
Species considered extinct in Iowa Research notes Bird watching Birds--Geographical distribution Extinct birds Rare birds Birds--Collection and preservation N/A N/A
Winter visitors Research notes Bird watching Birds--Geographical distribution Winter N/A N/A
A. Starker Leopold letter to Frederic Leopold regarding a paper on Wood Ducks and a hunting trip, October 3, 1951 Correspondence Wildlife conservation Hunting 1951-10-03 N/A
Ries Tuttle letter to Frederic Leopold with a forwarded letter from Ronald H. Wilkison regarding Wood Duck houses, January 9, 1952 Correspondence Birdhouses--Design and construction Bird attracting 1952-01-09 N/A