Twain, Mark The portable Mark Twain ed. by Bernard de Voto - [Reprint.] - VIII, 790 S - The Viking portable Library [20] Penguin Books . - [20] . ISBN: 014015020X Standard No.: 0008423112 Nat. Bib. Agency Control No.: b80-26064 UK b80-26064 UK GB8-02606 UK 006-68248 UK 006-68248 UK Dewey Class. No.: 813.4 813/.4