http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
4 volumes (xiii, 3708 pages) : illustrations ; 21 cm.
v. 1. From the beginnings to William Cullen Bryant.--v. 2. Ralph Waldo Emerson to Sidney Lanier.--v. 3. Walt Whitman to Stephen Crane.--v. 4. Henry Adams to the present.
edited by Harrison T. Meserole, Walter Sutton, Brom Weber.