- 1833 to 1834437
- 1835 to 1836570
- 1837 to 1839774
- 1840 to 18411,070
- 1842 to 18441,200
- 1845 to 1846889
- 1847 to 18491,027
- 1850 to 18511,062
- 1852 to 18541,168
- 1855 to 18561,079
- 18571,026
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