- 1940 to 19418
- 1942 to 19430
- 1944 to 19451
- 1946 to 19470
- 1948 to 19490
- 1950 to 19510
- 1952 to 19530
- 1954 to 19550
- 1956 to 19571
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