- 1869232
- 1870 to 1874625
- 1875 to 1879558
- 1880 to 1884431
- 1885 to 1889117
- 1890 to 189486
- 1895 to 189978
- 1900 to 1904125
- 1905 to 1909122
- 1910 to 191463
- 1915 to 191967
- 1920 to 1924126
- 1925 to 1929178
- 1930 to 193152
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