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by De Morgan, Augustus; Heath, Peter
by Khayyam, Omar; Avery, Peter; Heath-Stubbs, John
by Immanuel Kant , Edited and translated by Peter Heath , Edited by J. B. Schneewind
by Immanuel Kant , Edited and translated by Henry Allison , Peter Heath , Translated by Gary Hatfield , Michael Friedman
by Heath, Peter
by Wilhelm von Humboldt , Edited by Michael Losonsky , Translated by Peter Heath