- 1978 to 19794
- 1980 to 19812
- 1982 to 19841
- 1985 to 19862
- 1987 to 19890
- 1990 to 19911
- 1992 to 19941
- 1995 to 19962
- 1997 to 19991
- 2000 to 20011
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