- 19643
- 1965 to 196920
- 1970 to 197421
- 1975 to 19798
- 1980 to 198447
- 1985 to 198925
- 1990 to 199435
- 1995 to 199922
- 2000 to 20040
- 2005 to 20071
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