United States. National Archives and Records Service, United States. Census Office, & Heritage Quest Genealogical Services. (1962). Index (soundex) to the population schedules of the tenth census of the United States, 1880. National Archives and Records Service.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. National Archives and Records Service, United States. Census Office, và Heritage Quest Genealogical Services. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880. Washington, D.C.: National Archives and Records Service, 1962.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. National Archives and Records Service, et al. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880. National Archives and Records Service, 1962.