Ithaca, Trinidad, Guatemala, Colombia: Birds, 1946-1948

Field journals; reports; lecture notes; data; films, photographs, an audiotape, and photograph albums; correspondence; financial records; maps; printed materials; and bird guides regarding ornithological trips taken by Lawrence Grinnell from 1938 to 1971: St. Lawrence Gulf, Churchill (Manitoba), Alaska, Southern and Western United States, Trinidad, Guatemala, Colombia, Mexico, West Indies, Tobago, British Guiana, Panama, Africa, New Zealand, Australia, the Amazon region, Brazil, Venezuela, Peru, the Antarctic, India, and Nepal; also, correspondence and a pamphlet, "The 1957-1958 New Zealand-Australia Expedition of the Laboratory of Ornithology"; materials pertaining to his dissertation A Study of the Common Redpoll a notebook of Cornell ornithology seminars and Canoeable Waterways of New York State and Vicinity.