- 1978 to 19791
- 1980 to 19815
- 1982 to 19841
- 1985 to 19861
- 1987 to 19894
- 1990 to 19911
- 1992 to 19944
- 1995 to 19962
- 1997 to 19992
- 2000 to 20011
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