Baird, Forrest E. Kaufmann, Walter Arnold. text Upper Saddle River, N.J Prentice Hall c2003 4th ed. monographic vii, 646 pages : v. 1. Ancient philosophy -- v. 2. Medieval philosophy -- v. 3. Modern philosophy. "Walter Kaufmann, late, of Princeton University." Philosophy B 21 PHI 013048556X (v. 1) 0130485578 (v. 2) 0130485586 (v. 3)