http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
110 pages, 10 unnumbered pages : illustrations ; 21 cm.
Photoreprint edition of the original ms. in the Harry Ransom Humanities Research Center, University of Texas at Austin.
Reprint of the 1850 edition printed by C. L. Dodgson.
Includes bibliographical references and index.