Correspondence, course material and class lecture notes, professional writings, extension surveys and followups, subject files, project statements, material relating to Cornell University, and subject files relating to the New York State Land Use Committee and the New York State Agricultural Resource Commission. Also, charts, graphs, and other materials from the "Decade of the Sixties," study about changes in commercial farms in New York State.

Filled out forms, schedules, charts, summaries, photographs, charts, maps, and reports pertaining to a farm survey on land utilization of Erin, New York, conducted by Howard Conklin in 1939 and resurveyed in 1957.