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