http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
2 volumes in 4 : illustrations (some color), color maps ; 27 cm. + Student text (2 volumes)
v. 1. United States history through Reconstruction -- v. 2. United States history from reconstruction to the present.
Glenn M. Linden, Dean C. Brink, Richard H. Huntington.
Includes bibliographical references and indexes.