United States. Census Office. (1960). Original schedules returned by census enumerators for Montana territory, 1870, 1880: Covering statistics as follows: mortality, agricultural products, industrial products, social statistics. Historical Society of Montana Library.
Lua i Stíl Chicago (17ú heag.)United States. Census Office. Original Schedules Returned by Census Enumerators for Montana Territory, 1870, 1880: Covering Statistics as Follows: Mortality, Agricultural Products, Industrial Products, Social Statistics. Helena, Mont.: Historical Society of Montana Library, 1960.
Lua MLA (8ú heag.)United States. Census Office. Original Schedules Returned by Census Enumerators for Montana Territory, 1870, 1880: Covering Statistics as Follows: Mortality, Agricultural Products, Industrial Products, Social Statistics. Historical Society of Montana Library, 1960.