http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xxxviii, 380 pages : illustrations ; 24 cm.
edited by Robert H. Ferrell ; cartography by John M. Hollingsworth.
Continuation of America as a world power, 1872-1945.
Documentary history of the United States