Brock,, William R. Conflict and transformation : the United States 1844-1877 / William R. Brock

Conflict and transformation : the United States 1844-1877 / William R. Brock . - [Harmondsworth] : Penguin Books, colof. 1976 . - 488 p. 19 cm . - (The pelican history of the United States; 3)
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