- 1978 to 19793
- 1980 to 19816
- 1982 to 19845
- 1985 to 19867
- 1987 to 19895
- 1990 to 19911
- 1992 to 19945
- 1995 to 19966
- 1997 to 19991
- 2000 to 20014
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