Title Genres Topics Date (Start) Date (End)
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
Documentation of Snowy Egret and Pine Warbler sightings by Erik Munson Field notes Birds--Identification Rare birds N/A N/A
Principal waterfowl flyways, Fall migration Maps (documents) Birds--Migration Flyways N/A N/A
American Egrets, Allen Green Refuge, Burlington, Iowa Photographs Photography of birds N/A N/A
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, William Youngworth Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Nettie Funk letter to LeRoy Weeks regarding migratory birds Correspondence Birds--Migration Rare birds Charadriiformes | Shore-birds, Gulls, and Auks Water 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
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
Permanent residents Research notes Bird watching Birds--Geographical distribution N/A N/A
Breeding status undetermined Research notes Bird watching Birds--Geographical distribution Zoological specimens N/A N/A
Breeding birds in Iowa Research notes Birds--Geographical distribution Birds--Nests Summer N/A N/A
List of Iowa birds Research notes Drafts (documents) Articles Bird watching Birds--Geographical distribution N/A N/A
Arrival dates of water birds Research notes Bird watching Birds--Geographical distribution Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A