Tobacco in History and Culture: An Encyclopedia
Encyclopedia of World Biography: 2010 Supplement
Great Depression and the New Deal Reference Library
Nonfiction Classics for Students
Junior Worldmark Encyclopedia of Physical Geography
Industrial Revolution Reference Library
St. James Encyclopedia of Labor History Worldwide
The Gale Encyclopedia of the Unusual and Unexplained
Renaissance and Reformation Reference Library
Historic Events for Students: The Great Depresssion
Political Theories for Students
Africa: An Encyclopedia for Students
The Ancient Near East: An Encyclopedia for Students