| Ottawa, Ontario: Library and Archives Canada | |
| 1 Jun 1921 | |
| Microfilm | |
| Gravenhurst, District of Muskoka, Ontario | |
| Census | |
| Sixth Census of Canada, 1921 | |
| series RG31, district 104, E.D. 24, page 7B | |
| Canada-1921d | |
| Image (JPG): William Robert Herndon | |
| S210 | |
| [Canada-1921d] "Gravenhurst, District of Muskoka, Ontario," Sixth Census of Canada, 1921, Ottawa, Ontario: Library and Archives Canada, series RG31, district 104, E.D. 24, page 7B. | |
| Richard Fairbanks Watson |