Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Nicholas S. Halmi regarding bird sightings and Iowa Northern Shrikes checklist, February 8, 1977 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
Gladys Black letter to Nicholas S. Halmi regarding bird counts of Snowy Owl and Northern Shrike, February 28, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1977-02-28 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding bird breeding report, August 1, 1982 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Weather 1982-08-01 N/A
Woodward H. Brown letter to Peter C. Petersen regarding Aubudon field notes, December 9, 1964 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1964-12-09 N/A
Audubon field notes, winter 1970-1971, and Woodward H. Brown letter to Vernon M. Kleen regarding reporting practices, March 29, 1971 Correspondence Field notes Bird watching Ornithology--Periodicals Publishers and publishing 1970-12-01 1971-03-29
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
Note to Ames Audubon members regarding an Audubon Wildlife Film, February 1972 Correspondence Announcements Ornithology--Societies, etc Wildlife conservation Hunting--Moral and ethical aspects 1972-02-01 1972-02-29
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