Өмнөд Дакота муж улсын хүн амын тооллого, 1915 он
Энэ цуглуулгыг иш татах
"South Dakota, State Census, 1915." Database with images. FamilySearch. http://FamilySearch.org : 16 September 2025. Citing Assessor. State Historical Society, Pierre.
"South Dakota, State Census, 1915." Database with images. FamilySearch. http://FamilySearch.org : 16 September 2025. Citing Assessor. State Historical Society, Pierre.