Clemens, Samuel Langhorne, 1835-1910. Mark Twain's Which was the dream? : And other symbolic writings of the later years / edited with an introd. by John S. Tuckey. - Berkeley, University of California Press, 1967. - xi, 588 p. port. 24 cm. - The Mark Twain papers . Includes bibliographical references. LC Class. No.: PS1302 / .T8 1967 Dewey Class. No.: 817.4