Craven, Avery Odelle, 1886- The United States, experiment in democracy / [electronic resource] / by Avery Craven and Walter Johnson.. — Boston, MA : : Ginn,, [1947].. — xxiv, 886 p. : : ill., ports., maps (part col.) ; 24 cm. Includes bibliographies and index. LCCN: 47031124 Subjects--Geographic Terms: United States--History. LC Class. No.: E178 / .C84 Dewey Class. No.: 973