- 19761
- 1977 to 19794
- 1980 to 198122
- 1982 to 19842
- 1985 to 19867
- 1987 to 198915
- 1990 to 19917
- 1992 to 19940
- 1995 to 19965
- 1997 to 199913
- 2000 to 20016
- 20026
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