Dictionary of Modern American Philosophers
John R. Shook
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Theodore W. Gray & Jerry Glynn
Encyclopedia of the United States Congress
Robert E. Dewhirst & John David Rausch
Language, Truth and Logic
Alfred Jules Ayer
Philosophy as a Humanistic Discipline
Bernard Arthur Owen Williams & Bernard Williams
Das Ende der Dressur: Modell für eine neue Männlichkeit
Esther Vilar