by John M. Blum ... [et al.]
Harcourt, Brace & World, 1963
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Kemmerer, Donald L., author
Littlefield, Adams, 1956
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Rae, John B.
Mc Graw-Hill Book Company, 1949
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Risjord, Norman K., author
Prentice-Hall, 1985
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Zinn, Howard, author
HarperCollins Publishers, 2005
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