United States. Census Office. 6th Census, 1840, & United States. National Archives and Records Service. (1973). Schedule of mines, agriculture, commerce, manufactures, etc. of 1840 census for ... Louisiana. National Archives.
Chicagoスタイル(17版)引用形式United States. Census Office. 6th Census, 1840, , United States. National Archives and Records Service. Schedule of Mines, Agriculture, Commerce, Manufactures, Etc. of 1840 Census for ... Louisiana. Washington, D.C.: National Archives, 1973.
MLA(8版)引用形式United States. Census Office. 6th Census, 1840, , United States. National Archives and Records Service. Schedule of Mines, Agriculture, Commerce, Manufactures, Etc. of 1840 Census for ... Louisiana. National Archives, 1973.
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