11.
 |  | Title: Philosophy made simple by Richard Henry Popkin ISBN: 0491001827 Publisher: W. H. Allen Pub. Date: 1969
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12.
 |  | Title: Heterodoxy, Spinozism, and Free Thought in Early-Eighteenth-Century Europe: Studies on the Traite Des Trois Imposteurs (Archives Internationales D'Histoire Des Idees, 148) by Silvia Berti, Francoise Charles-Daubert, Richard Henry Popkin ISBN: 0792341929 Publisher: Kluwer Academic Publishers Pub. Date: June, 1996 List Price: $300.00 Amazon.com Price: $300.00 |
13.
 |  | Title: The Skeptical Mode in Modern Philosophy: Essays in Honor of Richard H. Popkin (International Archives of the History of Ideas, Vol 117) by Richard A. Watson, James E. Force, Richard Henry Popkin ISBN: 902473584X Publisher: Kluwer Print on Demand Pub. Date: July, 1988 List Price: $168.00 Amazon.com Price: $168.00 |
14.
 |  | Title: The high road to Pyrrhonism by Richard Henry Popkin ISBN: 0896900037 Publisher: Austin Hill Press
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15.
 |  | Title: Philosophy and Contemporary Problems: A Reader by Avrum Stroll, Richard Henry Popkin ISBN: 0030617014 Publisher: International Thomson Publishing Pub. Date: February, 1984 List Price: $30.95 Amazon.com Price: $30.95 |
16.
 |  | Title: Dialogues Concerning Natural Religion and the Posthumous Essays, of the Immortality of the Soul and of Suicide by David Hume, Richard Henry Popkin ISBN: 0915144468 Publisher: Hackett Pub Co Pub. Date: February, 1980 List Price: $24.95 Amazon.com Price: $24.95 |
17.
 |  | Title: The Abbe Gregoire and His World (Archives Internationales D'Histoire Des Idees, No 169.) by Jeremy D. Popkin, Richard Henry Popkin ISBN: 0792362470 Publisher: Kluwer Academic Publishers Pub. Date: September, 2000 List Price: $100.00 Amazon.com Price: $100.00 |
18.
 |  | Title: The Sea Gull by Anton Chekhov, Henry Popkin, Ann Jellicoe ISBN: 0380003643 Publisher: Bard Pub. Date: 1975
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19.
 |  | Title: Isaac La Peyrère (1596-1676) : his life, work, and influence by Richard Henry Popkin ISBN: 9041081577 Publisher: Brill Pub. Date: 1987
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20.
 |  | Title: Theatres of Europe, West and East by Henry Popkin ISBN: 0818005084 Publisher: Horizon Press Pub. Date: April, 1983 List Price: $18.95 Amazon.com Price: $18.95 |