Gabriel, Ralph Henry, 1890-1987
Main currents in American history
D. Appleton-Century, 1942
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Leahey, Thomas Hardy
A History of psychology : main currents in psychological thought
Prentice-Hall, 1997
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Aron, Raymond
Main currents in sociological thought
Basic Books, 1965
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Mason, Stephen F.
A history of the sciences
Collier Books, 1962
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Quint, Howard H
Main problems in American history
Dorsey Press, 1968
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