- 198529
- 1986 to 198735
- 1988 to 198945
- 1990 to 199141
- 1992 to 199344
- 1994 to 199562
- 1996 to 199758
- 1998 to 199936
- 2000 to 200132
- 2002 to 200321
- 20047
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