- 1922 to 19247
- 1925 to 19297
- 1930 to 19347
- 1935 to 19397
- 1940 to 19447
- 1945 to 19497
- 1950 to 19547
- 1955 to 19597
- 1960 to 19647
- 1965 to 19697
- 1970 to 19747
- 1975 to 19797
- 1980 to 19847
- 1985 to 19897
- 1990 to 19927
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