Heritage of western civilization / [electronic resource] / edited by John L. Beatty, Oliver A. Johnson.. — 7th ed.. — Englewood Cliffs, N.J. : : Prentice-Hall,, 1991.. — 2 v. : : ill. ; 23 cm. ISBN: 0133870022 (v. 1) 9780133870022 (v. 1) 0133870103 (v. 2) 9780133870107 (v. 2) LCCN: 89026652 Subjects--Topical Terms: Civilization, Western--History--Sources.Civilization--History--Sources. LC Class. No.: CB245 / .H428 1991 Dewey Class. No.: 909/.09821