4literature.net - Works by Mark Twain: Read online classic literature by Mark Twain at 4literature.net
A Connecticut Yankee in King Arthur's Court: Etext and study resources from the University of Virginia.
Building Rainbows Book Reviews - Mark Twain Electronic Literature: Electronic literature for Mark Twain's works with provisions for providing book reviews for each book.
Classic Authors: Mark Twain: This site offers the full text of most of Mark Twains (Samuel Clemens) works online.
Classic Bookshelf: Offers complete texts of seven novels, with adjustable text size and automatic bookmarking.
Ever The Twain Shall Meet - Mark Twain on the Web: Electronic text versions of several works by Mark Twain.
Mark Twain Collection - University of Virginia: Electronic texts of titles by Mark Twain archived by the University of Virginia.
Mark Twain Electronic Texts: Electronic text of the works of Mark Twain archived at the University of Pennsylvania Digital Library.
The Adventures of Tom Sawyer: Complete text of the 1876 work about a boy's adventures along the Mississippi.
The Celebrated Jumping Frog of Calaveras County: Complete text of the short story that helped make Twain famous.