- 19832
- 1984 to 19850
- 1986 to 19870
- 1988 to 19892
- 1990 to 19917
- 1992 to 19930
- 1994 to 19951
- 1996 to 19970
- 1998 to 19990
- 2000 to 20012
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