- 19763
- 1977 to 19790
- 1980 to 19810
- 1982 to 19840
- 1985 to 19861
- 1987 to 19892
- 1990 to 19910
- 1992 to 19940
- 1995 to 19968
- 1997 to 19991
- 2000 to 20011
- 20021
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