Kaplan, Justin. Mr. Clemens and Mark Twain : a biography / Justin Kaplan. - Touchstone ed. - New York : Simon and Schuster, 1983, c1966. - 424 p., [16] p. of plates : ill., ports. ; 23 cm. - A Touchstone book . Includes bibliographical references and index. ISBN: 067147071X (pbk.) LCCN: 82019597 //r98 Subjects--Personal Names: Twain, Mark, 1835-1910. Subjects--Topical Terms: Humorists, American--19th century--Biography.Authors, American--19th century--Biography.Journalists--United States--Biography. LC Class. No.: PS1331 / .K33 1983 Dewey Class. No.: 818/.409 B