- 1972 to 19731
- 1974 to 19750
- 1976 to 19770
- 1978 to 19790
- 1980 to 19810
- 1982 to 19830
- 1984 to 19850
- 1986 to 19870
- 19881
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