User contributions
- 03:07, 1 May 2010 (diff | hist) (+156) 1820 U.S. Census (→Comparison of Census Information, 1790-1940)
- 02:54, 1 May 2010 (diff | hist) (+15) List of Useful Census References (→A)
- 02:53, 1 May 2010 (diff | hist) (+5) List of Useful Census References (→H)