- 1943 to 19442
- 1945 to 19490
- 1950 to 19540
- 1955 to 19590
- 1960 to 19640
- 1965 to 19690
- 1970 to 19742
- 1975 to 19792
- 1980 to 198465
- 1985 to 1989127
- 1990 to 199420
- 1995 to 199947
- 20003
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