- 1980 to 198110
- 1982 to 19831
- 1984 to 19850
- 1986 to 19875
- 1988 to 19891
- 1990 to 19912
- 1992 to 19930
- 1994 to 19951
- 1996 to 19974
- 1998 to 19990
- 20001
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