United States. Census Office. 7th Census, 1850, & Vermont. Public Records Division. (1850). Seventh census of the United States: Original returns of the assistant marshals : fourth series : agricultural production by counties.
Chicago-viite (17. p.)United States. Census Office. 7th Census, 1850, ja Vermont. Public Records Division. Seventh Census of the United States: Original Returns of the Assistant Marshals : Fourth Series : Agricultural Production by Counties. 1850.
MLA-viite (8. p.)United States. Census Office. 7th Census, 1850, ja Vermont. Public Records Division. Seventh Census of the United States: Original Returns of the Assistant Marshals : Fourth Series : Agricultural Production by Counties. 1850.
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