- 1980 to 19811
- 1982 to 19840
- 1985 to 19860
- 1987 to 19890
- 1990 to 19911
- 1992 to 19940
- 1995 to 199611
- 1997 to 199910
- 2000 to 20010
- 2002 to 20032
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