My Mark Twain
- Biography of the author and collection of criticism of his works by William Dean Howells.
- http://www.boondocksnet.com/twaintexts/mmt/index.html

Mark Twain in His Times
- Texts and manuscripts, contemporary reviews and articles, images and interactive exhibits.
- http://etext.virginia.edu/railton/index2.html

Mark Twain Obituaries
- Searchable.
- http://etext.virginia.edu/etcbin/ot2www-twain?specfile=/lv6/workspace/railton/sc_as_mt/index/twaobit.o2w

Inventing Mark Twain
- From the biography by Andrew Hoffman, courtesy of the Washington Post.
- http://www.washingtonpost.com/wp-srv/style/longterm/books/chap1/inventingmarktwain.htm

Biography of Mark Twain
- Short biography written by Twain's daughter Susy Clemens in 1885-1886 when she was thirteen and he published Huckleberry Finn.
- http://www.boondocksnet.com/twaintexts/susy/index.html