- 1928 to 19292
- 1930 to 19310
- 1932 to 19340
- 1935 to 19360
- 1937 to 19390
- 1940 to 19410
- 1942 to 19440
- 1945 to 19460
- 1947 to 194912
- 1950 to 195115
- 1952 to 195310
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