Wecter, Dixon Sam Clemens of Hannibal. - Boston Houghton Mifflin 1952. - ix, 335 p. port. 22 cm. Bibliography: p. 317-322. LCCN: 52005258 //r84 Subjects--Personal Names: Twain, Mark, 1835-1910 LC Class. No.: PS1332 / .W4 Dewey Class. No.: 928.1