- 19761
- 1977 to 197912
- 1980 to 198110
- 1982 to 19840
- 1985 to 19864
- 1987 to 198910
- 1990 to 19912
- 1992 to 19943
- 1995 to 19962
- 1997 to 19994
- 2000 to 200113
- 2002 to 200315
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