United States. Census Office. 7th Census, 1850. Seventh United States census, 1850. New York State Library.
Chicago-referens (17:e uppl.)United States. Census Office. 7th Census, 1850. Seventh United States Census, 1850. [Albany, N.Y.]: New York State Library.
MLA-referens (8:e uppl.)United States. Census Office. 7th Census, 1850. Seventh United States Census, 1850. New York State Library.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.