- 1975 to 19766
- 1977 to 19795
- 1980 to 198121
- 1982 to 19846
- 1985 to 198616
- 1987 to 198924
- 1990 to 19917
- 1992 to 19940
- 1995 to 19966
- 1997 to 19999
- 2000 to 200112
- 2002 to 20037
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