- 1908 to 1908 2,305
- 1909 to 1909 2,159
- 1910 to 1910 2,406
- 1911 to 1911 2,232
- 1912 to 1912 2,419
- 1913 to 1913 2,297
- 1914 to 1914 2,421
- 1915 to 1915 2,312
- 1916 to 1916 2,394
- 1917 to 1917 3,549
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