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
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, 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, 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, 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, Francis Roberts 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, 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, 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, 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, Althea Sherman Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Documents regarding a Wood Duck study, February 27, 1964 Checklists Correspondence Questionnaires Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Predatory animals Ducks--Counting Ducklings 1964-02-27 N/A
Documents regarding a Wood Duck study, 1963 Correspondence Questionnaires Bird surveys Bird watching Birds--Nests Birds--Research Ornithology--Methodology Ducklings 1963-01-01 1963-12-31