- 1940 to 19411
- 1942 to 19431
- 1944 to 19451
- 1946 to 19471
- 1948 to 19491
- 1950 to 19511
- 1952 to 19531
- 1954 to 19551
- 1956 to 19571
- 1958 to 19591
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