- 19792
- 1980 to 19812
- 1982 to 19840
- 1985 to 198615
- 1987 to 198924
- 1990 to 19912
- 1992 to 19940
- 1995 to 19966
- 1997 to 199915
- 2000 to 2001172
- 200210
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