Steel engraving of American writer Lewis Gaylord Clark, from The Knickerbocker Gallery: A Testimonial to the Editor of the Knickerbocker Magazine by its contributors (editors included Rufus Griswold and George P. Morris). From frontispiece. Published by S. Hueston, 1855. [Artist unidentified / Google Books -- Public domain -- http://commons.wikimedia.org/wiki/File:Lewis Gaylord Clark engraving.jpg]