Fatout, Paul. Mark Twain on the lecture circuit / Paul Fatout. - Carbondale : Southern Illinois University Press , 1969. - 321p. : ill.,pictures ; 21cm . NULL ISBN: USD 2.85 (Pbk) Subjects--Index Terms: CLEMENS, SAMUEL LANGHORN-1835-1910 Dewey Class. No.: 813.4092TWA / FAT/M