- 1928 to 19293
- 1930 to 193438
- 1935 to 1939145
- 1940 to 1944110
- 1945 to 194963
- 1950 to 19541
- 1955 to 19593
- 1960 to 19641
- 1965 to 19661
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