Brightman, Edgar Sheffield
An Introduction to philosophy
Holt, Rinehart and Winston, 1961
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Randall, John Herman
Philosophy : an introduction
Barnes & Noble, 1957
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Halverson, william H
A Concise introduction to philosophy
Random House, 1969
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Horner, Chris
Thinking through philosophy: an introduction
Cambridge, 2004
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Losee, John
A Historical introduction to the philosophy of science
Oxford University Press, 1980
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