United States. National Archives and Records Service, United States. Census Office. 7th census, 1850, United States. Census Office. 8th census, 1860, United States. Census Office. 9th census, 1870, & United States. Census Office. 10th census, 1880. (1965). Federal nonpopulation census schedules in the custody of the Pennsylvania State Library, 1850-80. National Archives, National Archives and Records Service, General Services Administration.
Lua i Stíl Chicago (17ú heag.)United States. National Archives and Records Service, 1850 United States. Census Office. 7th census, 1860 United States. Census Office. 8th census, 1870 United States. Census Office. 9th census, agus 1880 United States. Census Office. 10th census. Federal Nonpopulation Census Schedules in the Custody of the Pennsylvania State Library, 1850-80. Washington, D.C.: National Archives, National Archives and Records Service, General Services Administration, 1965.
Lua MLA (8ú heag.)United States. National Archives and Records Service, et al. Federal Nonpopulation Census Schedules in the Custody of the Pennsylvania State Library, 1850-80. National Archives, National Archives and Records Service, General Services Administration, 1965.