- 1912 to 19192
- 1920 to 19291
- 1930 to 193928
- 1940 to 194942
- 1950 to 195935
- 1960 to 19699
- 1970 to 19791
- 1980 to 19890
- 1990 to 1995139
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