- 1980 to 19817
- 1982 to 19838
- 1984 to 19850
- 1986 to 19870
- 1988 to 19894
- 1990 to 19910
- 1992 to 19930
- 1994 to 19950
- 1996 to 19979
- 1998 to 19997
- 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