- 1950 to 19517
- 1952 to 19537
- 1954 to 19557
- 1956 to 19577
- 1958 to 19597
- 1960 to 19617
- 1962 to 19637
- 1964 to 19657
- 1966 to 19677
- 1968 to 19697
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