- 1839 to 1839 512
- 1840 to 1841 996
- 1842 to 1844 1,125
- 1845 to 1846 810
- 1847 to 1849 940
- 1850 to 1851 975
- 1852 to 1854 1,067
- 1855 to 1856 976
- 1857 to 1859 1,203
- 1860 to 1861 2,121
- 1862 to 1864 2,180
- 1865 to 1865 1,670
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