- 1950 to 19514
- 1952 to 19534
- 1954 to 19554
- 1956 to 19574
- 1958 to 19594
- 1960 to 19614
- 1962 to 19634
- 1964 to 19654
- 1966 to 19674
- 1968 to 19694
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