- 1966 to 19671
- 1968 to 19691
- 1970 to 197144
- 1972 to 197354
- 1974 to 197558
- 1976 to 197770
- 1978 to 197918
- 1980 to 19817
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