Ancient Europe, 8000 B.C. to A.D. 1000: An Encyclopedia of the Barbarian World
The Gale Encyclopedia of the Unusual and Unexplained
St. James Encyclopedia of Labor History Worldwide
Nonfiction Classics for Students
Great Depression and the New Deal Reference Library
Industrial Revolution Reference Library
Junior Worldmark Encyclopedia of Physical Geography
Renaissance and Reformation Reference Library
Historic Events for Students: The Great Depresssion
Africa: An Encyclopedia for Students
Political Theories for Students
The Ancient Near East: An Encyclopedia for Students