United States. Census Office. 1st census, 1790, & United States. National Archives and Records Service. (1965). Population schedules of the first census of the United States, 1790. National Archives and Records Service, General Services Administration.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. Census Office. 1st census, 1790, και United States. National Archives and Records Service. Population Schedules of the First Census of the United States, 1790. Washington: National Archives and Records Service, General Services Administration, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)United States. Census Office. 1st census, 1790, και United States. National Archives and Records Service. Population Schedules of the First Census of the United States, 1790. National Archives and Records Service, General Services Administration, 1965.