- 1950 to 19514
- 1952 to 19548
- 1955 to 19563
- 1957 to 19596
- 1960 to 19611
- 1962 to 19643
- 1965 to 196616
- 1967 to 19699
- 1970 to 19710
- 19721
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