- 1901 to 19094
- 1910 to 19190
- 1920 to 19290
- 1930 to 193922
- 1940 to 1949321
- 1950 to 195917
- 1960 to 196964
- 1970 to 197989
- 1980 to 198730
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