- 1894 to 18952,651
- 1896 to 18973,075
- 1898 to 18992,759
- 1900 to 19013,092
- 1902 to 19032,691
- 1904 to 19052,615
- 1906 to 19072,652
- 1908 to 19092,802
- 1910 to 19112,990
- 19122,830
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