| Washington, District of Columbia: National Archives and Records Administration (NARA) | |
| 7 Jul 1870 | |
| Microfilm | |
| City of Chelsea, Suffolk County, Massachusetts | |
| Census | |
| Ninth Census of the United States, 1870 | |
| publication M593, roll 650, page 239 | |
| US-1870-1q1 | |
| Image (JPG): William Robert Herndon | |
| S549 | |
| [US-1870-1q1] "City of Chelsea, Suffolk County, Massachusetts," Ninth Census of the United States, 1870, Washington, District of Columbia: National Archives and Records Administration (NARA), publication M593, roll 650, page 239. | |
| Jacob W Butler |