Tyler, A. F. (1944). Freedom's ferment: Phases of American social history to 1860. University of Minnesota press.
Chicago-viite (17. p.)Tyler, Alice Felt. Freedom's Ferment: Phases of American Social History to 1860. Minneapolis: University of Minnesota press, 1944.
MLA-viite (9. p.)Tyler, Alice Felt. Freedom's Ferment: Phases of American Social History to 1860. University of Minnesota press, 1944.
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