Heffner, Richard D. A Documentary history of the United States [Book /] Richard D. Heffner. - Expanded and updated 7th ed. - New York : Signet Classic, 2002. - 533 p. ; 18 cm. Includes bibliographical references. All Ages. ISBN: 0451207483 LCCN: 2002070536 Subjects--Geographic Terms: United States--History--Sources. LC Class. No.: E173 / .H5 2002 Dewey Class. No.: 973