Mark Twain : A Biography. Volume I, Part 1: 1835-1866 - Paine, Albert Bigelow, 1861-1937 (Project Gutenberg, 2004)
Electronic text
Keywords: Twain, Mark, 1835-1910; Authors, American -- 19th century -- Biography; Humorists, American -- 19th century -- Biography; Journalists -- United States -- Biography