- 1982 to 19832
- 1984 to 19851
- 1986 to 19872
- 1988 to 19891
- 1990 to 19912
- 1992 to 19931
- 1994 to 19951
- 1996 to 19970
- 1998 to 19992
- 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