The Crusades Reference Library
Space Exploration Reference Library
The Sixties in America Reference Library
Early Civilizations in the Americas
Psychologists and Their Theories For Students
Feminism in Literature: A Gale Critical Companion
Encyclopedia of Genocide and Crimes Against Humanity
UXL Encyclopedia of Water Science
American Home Front in World War II
Checks and Balances: The Three Branches of the American Government
Reconstruction Era Reference Library
Encyclopedia of World Biography: 2005 Supplement
Encyclopedia of Russian History
Tobacco in History and Culture: An Encyclopedia
War in the Persian Gulf Reference Library: From Operation Desert Storm to Operation Iraqi Freedom
Encyclopedia of Irish History and Culture
U.S. Immigration and Migration Reference Library
Encyclopedia of World Biography: 2010 Supplement
Ancient Europe, 8000 B.C. to A.D. 1000: An Encyclopedia of the Barbarian World