- 1800 to 1809547
- 1810 to 1819676
- 1820 to 1829678
- 1830 to 18391,121
- 1840 to 18492,057
- 1850 to 18592,057
- 1860 to 18694,516
- 1870 to 18793,688
- 1880 to 18894,395
- 1890 to 18995,309
- 1900 to 19095,588
- 1910 to 191910,319
- 1920 to 192911,141
- 1930 to 193911,112
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