In an effort to expand my reference collection, I am seeking information regarding bibliographies and other reference and critical works concerning the following authors: Mark Twain Bret Harte William Dean Howells Petroleum V. Nasby Artemus Ward Thomas Chandler Haliburton Mr. Dooley Bill Nye I also am attempting to acquire volumes 7, 8, & 9 of the Bibliography of American Literature. Any information relating to the above may be sent to my private e-mail address. Marcus W. Koechig