Population ofStates and Territories by Minor Civil Divisions: 1880 and 1890. 2011년 7월 12일에 확인함. “1870 Census ofthe Population” (PDF). Department ofthe Interior
Status (4), Age Groups (10) and Sex (3) for the Population in Private Households of Canada, Provinces, Territories, Census Metropolitan Areas and Census Agglomerations
“Czech Republic”. CIA - The World Factbook. 2018년 12월 26일에 원본 문서에서 보존된 문서. 2014년 11월 14일에 확인함. “2004 survey”. UnitedStates Bureau of Statistics. 2020년 2월
2005. Pape 1993 " The principal cause of Japan's surrender was the ability oftheUnitedStates to increase the military vulnerability of Japan's home islands
Megargee, Geoffrey P.; White, Joseph R. (2018). 《TheUnitedStates Holocaust Memorial Museum Encyclopedia of Camps and Ghettos, 1933–1945, vol. III: Camps