War in the Persian Gulf Reference Library: From Operation Desert Storm to Operation Iraqi Freedom
Encyclopedia of World Biography: 2010 Supplement
The Gale Encyclopedia of the Unusual and Unexplained
Nonfiction Classics for Students
Junior Worldmark Encyclopedia of Physical Geography
St. James Encyclopedia of Labor History Worldwide
Great Depression and the New Deal Reference Library
Industrial Revolution Reference Library
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