http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a study of economic life in the United States : a textbook in geography and civics with historical backgrounds
xv, 610 pages : illustrations (some color), maps ; 24 cm.
"Interesting readings from which you can get additional information" at end of each chapter.
Includes bibliographical references and index.