- 1818 to 1819248
- 1820 to 1821255
- 1822 to 1824358
- 1825 to 1826322
- 1827 to 1829342
- 1830 to 1831404
- 1832 to 1834476
- 1835 to 1836558
- 1837 to 1839762
- 1840 to 18411,060
- 1842895
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