- 19296
- 1930 to 193462
- 1935 to 193962
- 1940 to 194470
- 1945 to 194970
- 1950 to 195462
- 1955 to 195962
- 1960 to 196464
- 1965 to 196964
- 1970 to 197475
- 1975 to 197971
- 1980 to 198419
- 1985 to 198922
- 1990 to 199424
The preservation of the Duke University Libraries Digital Collections and the Duke Digital Repository programs are supported in part by the Lowell and Eileen Aptman Digital Preservation Fund