- 1977 to 19791
- 1980 to 19810
- 1982 to 19840
- 1985 to 19860
- 1987 to 19890
- 1990 to 19912
- 1992 to 19940
- 1995 to 19963
- 1997 to 19994
- 2000 to 200117
- 2002 to 20035
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