Tobacco in History and Culture: An Encyclopedia
Nonfiction Classics for Students
The Gale Encyclopedia of the Unusual and Unexplained
Industrial Revolution Reference Library
St. James Encyclopedia of Labor History Worldwide
Great Depression and the New Deal Reference Library
Junior Worldmark Encyclopedia of Physical Geography
Political Theories for Students
Historic Events for Students: The Great Depresssion
Renaissance and Reformation Reference Library
Africa: An Encyclopedia for Students
Learning About the Holocaust: A Student's Guide