Ready Reference Questions answered using internet sources. Where did Samuel Clemens get his pseudonym? Samuel Clemens began using the pseudonym Mark Twain, derived from a riverboat term. From www.IPL.org, navigate to reference, then biographies, then authors. The first suggested site is Barnes and Nobles “Meet the Author” retrieved from http://www.barnesandnoble.com/writers/writerdetails.asp?cid=219676#bio Do any words rhyme with [...]