| Washington, District of Columbia: National Archives and Records Administration (NARA) | |
| 11 Aug 1870 | |
| Microfilm | |
| Ward 5, Lawrence, Essex County, Massachusetts | |
| Census | |
| Ninth Census of the United States, 1870 | |
| publication M593, roll 609, sheet 299A, page 13 | |
| US-1870-1u1 | |
| Image (JPG): William Robert Herndon | |
| S606 | |
| [US-1870-1u1] "Ward 5, Lawrence, Essex County, Massachusetts," Ninth Census of the United States, 1870, Washington, District of Columbia: National Archives and Records Administration (NARA), publication M593, roll 609, sheet 299A, page 13. |