Potter, David Morris, 1910-1971
The impending crisis 1848-1861 / by David M. Potter ; completed and edited by Don E. Fehrenbacher. -- New York : Harper and Row, 1976. -- x, 638 s. -- (The new American nation series). -- Rejstř. -- ISBN : 0061319295.
Fehrenbacher, Don E. (Don Edward), 1920-1997
1848-1861. dějiny. Spojené státy americké
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