Mark Twain-Howells letters : the correspondence of Samuel L. Clemens and William D. Howells, 1872-1910 - Twain, Mark, 1835-1910; Smith, Henry Nash; Gibson, William M. (William Merriam), 1912-; Anderson, Frederick; Clemens, Samuel L.; Howells, William D. (William Dean), 1837-1920 (Cambridge, Mass. : Harvard University Press, 1960)
Includes bibliographical references and index
Keywords: Twain, Mark, -- 1835-1910; Twain, Mark, -- 1835-1910 -- Correspondence