Brightman, Edgar Sheffield
An Introduction to philosophy
Holt, Rinehart and Winston, 1961
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Patrick, George Thomas White
Introduction to philosophy
George Allen and Unwin, 1925
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Christian, James L.
Philosophy: an introduction to the art of wondering
Wadsworth and Cengage Learning, 2012
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Horner, Chris
Thinking through philosophy: an introduction
Cambridge, 2004
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Halverson, william H
A Concise introduction to philosophy
Random House, 1969
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