Books in Category: Philosophy & Ethics
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opinions et les croyances : genèse; évolution (French)
Gustave Le Bon
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opinions of Jérôme Coignard
Anatole France
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Optimism: An Essay
Helen Keller
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Opúsculos por Alexandre Herculano - Tomo 04 (Portuguese)
Alexandre Herculano
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Opúsculos por Alexandre Herculano - Tomo 08 (Portuguese)
Alexandre Herculano
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Oraculo do Passado, do presente e do Futuro (1/7)
(Portuguese)
Bento Serrano
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Oraculo do Passado, do presente e do Futuro (7/7)
(Portuguese)
Bento Serrano
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Oration: The American Mind
Charles W. Lyons
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organisation of thought, educational and scientific
Alfred North Whitehead
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original theory or new hypothesis of the universe
Thomas Wright
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origin and development of the moral ideas
Edward Westermarck
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Origin and Permanent Value of the Old Testament
Charles Foster Kent
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origine della Famiglia della Proprietà privata e dello Stato (Italian)
Friedrich Engels
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Origin of Man and of His Superstitions
Carveth Read
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origin of the family, private property, and the state
Friedrich Engels
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Origin of the Knowledge of Right and Wrong
Franz Brentano
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Origin of Thought and Speech
M. Moncalm
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Orpheus; or, The music of the future
W. J. Turner
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Orthodoxy
G. K. Chesterton
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Orthodoxy
G. K. Chesterton
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Orthodoxy: Its Truths And Errors
James Freeman Clarke
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Oscar Wilde, Art and Morality: A Defence of "The Picture of Dorian Gray"
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Other Side of Evolution: Its Effects and Fallacy
Alexander Patterson
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Our Benevolent Feudalism
William J. Ghent
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Our Changing Morality: A Symposium
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