- 1967 to 19692
- 1970 to 19710
- 1972 to 19740
- 1975 to 19760
- 1977 to 19790
- 1980 to 19810
- 1982 to 19840
- 1985 to 19860
- 1987 to 19890
- 1990 to 19913
- 1992 to 19942
- 19951
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