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