- 1940 to 19447
- 1945 to 19497
- 1950 to 19546
- 1955 to 19596
- 1960 to 19646
- 1965 to 19696
- 1970 to 19747
- 1975 to 19797
- 1980 to 19847
- 1985 to 19897
- 1990 to 19940
- 19952
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