| Washington, District of Columbia: National Archives and Records Administration (NARA) | |
| 4 Apr 1930 | |
| Microfilm | |
| Ward 15, Fond du Lac City, Fond du Lac County, Wisconsin | |
| Census | |
| Fifteenth Census of the United States, 1930 | |
| publication T626, roll 2572, E.D. 20-28, sheet 3B | |
| US-1930-2n | |
| Image (JPG): William Robert Herndon | |
| S1086 | |
| [US-1930-2n] "Ward 15, Fond du Lac City, Fond du Lac County, Wisconsin," Fifteenth Census of the United States, 1930, Washington, District of Columbia: National Archives and Records Administration (NARA), publication T626, roll 2572, E.D. 20-28, sheet 3B. | |
| Louisa Augusta Koepsel Nicholas Rauls |