United States. National Archives and Records Service. (1962). Index (soundex) to the population schedules of the tenth census of the United States, 1880, [Maryland]. National Archives and Records Service.
Chicagoスタイル(17版)引用形式United States. National Archives and Records Service. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880, [Maryland]. Washington: National Archives and Records Service, 1962.
MLA(8版)引用形式United States. National Archives and Records Service. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880, [Maryland]. National Archives and Records Service, 1962.
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