- 1960 to 196112
- 1962 to 19634
- 1964 to 19657
- 1966 to 19677
- 1968 to 19696
- 1970 to 19717
- 1972 to 197315
- 1974 to 197518
- 1976 to 19776
- 1978 to 19795
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