- 1950 to 195154
- 1952 to 195354
- 1954 to 195554
- 1956 to 195754
- 1958 to 195954
- 1960 to 19612
- 1962 to 19632
- 1964 to 19652
- 1966 to 19672
- 1968 to 19692
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