Patterson, James T. America in the twenthieth century : : a history / [electronic resource] / James T. Patterson.. — 3rd ed.. — San Diego : : Harcourt Brace Jovanovich,, c1989.. — ix, 534 p. : : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0155022644 9780155022645 LCCN: 88080638 Subjects--Geographic Terms: United States--History--20th century. LC Class. No.: E741 / .P35 1989 Dewey Class. No.: 973.9