Russell, Bertrand, 1872-1970
The problems of philosophy
Oxford University Press, 1912
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Stumpf, Samuel Enoch, 1918-1998
Philosophy history and problems
McGraw-Hill, 1989
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Brennan, Joseph Gerard
The meaning of philosophy: a survey of the problems of philosophy and of the opinions of philosophers
Harper & Row, 1967
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Bohman, James
New philosophy of social science: problems of indeterminacy
Polity Press , 1991
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Rader, Melvin
The enduring questions; main problems of philosophy / Melvin Rader.
Holt, Rinehart and Winston, 1966
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