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