- 1980 to 19811
- 1982 to 19842
- 1985 to 19865
- 1987 to 19896
- 1990 to 19918
- 1992 to 19940
- 1995 to 199612
- 1997 to 19999
- 2000 to 20018
- 20022
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