- 1940 to 19412
- 1942 to 19432
- 1944 to 19452
- 1946 to 19472
- 1948 to 19492
- 1950 to 19512
- 1952 to 19532
- 1954 to 19552
- 1956 to 19572
- 1958 to 19592
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