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.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. National Archives and Records Service, United States. Census Office, και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.