- 1838 to 1839 575
- 1840 to 1841 998
- 1842 to 1843 1,000
- 1844 to 1845 764
- 1846 to 1847 752
- 1848 to 1849 861
- 1850 to 1851 979
- 1852 to 1853 970
- 1854 to 1855 969
- 1856 to 1857 1,037
- 1858 to 1859 1,105
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