- 198528
- 1986 to 198733
- 1988 to 198943
- 1990 to 199139
- 1992 to 199340
- 1994 to 199554
- 1996 to 199747
- 1998 to 199932
- 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