- 1960 to 196127
- 1962 to 196427
- 1965 to 196627
- 1967 to 196928
- 1970 to 19711
- 1972 to 19741
- 1975 to 19761
- 1977 to 19791
- 1980 to 19810
- 1982 to 19840
- 1985 to 19865
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