The Biographical/Personal Material series is an artificial grouping of files dating from 1947 to 1991. It consists of family correspondence and personnel related files, including his curricula vitae, sabbatical records, lecture notes (1964-1972), and assorted photographs.
The Geriatric Programs series, 1973-1991, is comprised of files documenting the development and implementation of geriatric medicine programs, including the Pilot Geriatric Arthritis Center, the Turner Geriatric Clinic, and the Division of Geriatric Medicine. Files include planning documents, reports, partial minutes and correspondence. The Pilot Geriatric Arthritis Center files contain the original 1974 grant application that funded the Center, and material evaluating the Center's effectiveness. The Turner Geriatric Clinic records are the most substantial, indicative of Dr. Duff's major role in establishing the Clinic. Records include background on the Scott and Amy Prudden Turner bequest, concept papers, meeting files, and information on outreach activities, including satellite clinics. The Division of Geriatric Medicine records consist of proposals to develop a division of geriatric medicine and annual progress reports from 1980 to 1984.
The series Name Files is comprised of alphabetically arranged correspondence files with University of Michigan figures, gerontologists, rheumatologists, physicians, and foreign visitors. The files date from 1971 to 1994, although the majority of the material dates from 1975 to 1980. Several of the files relate to the Turner Geriatric Clinic, including three folders of correspondence and memos to and from William N. Kelley, head of the University of Michigan Department of Internal Medicine which had oversight for the Turner Clinic.