- 1923 to 19241
- 1925 to 19290
- 1930 to 19341
- 1935 to 19392
- 1940 to 194411
- 1945 to 194913
- 1950 to 195410
- 1955 to 19598
- 1960 to 19647
- 1965 to 19696
- 1970 to 197417
- 1975 to 19799
- 1980 to 19844
- 1985 to 19894
- 1990 to 19941
- 19954
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