The Britannica Guide to Islam: Islamic Literature
Empires in the Middle Ages: The Islamic Caliphate
Cause & Effect: Modern Wars: The War on Terror
Empires in the Middle Ages: The Holy Roman Empire
Empires in the Middle Ages: The Ottoman Empire
The Roots and Consequences of Independence Wars: Conflicts That Changed World History
Cause & Effect: Ancient Civilizations: Ancient China
The Britannica Guide to Islam: The Islamic World from Prehistory to 1041
Cause & Effect: Modern Wars: World War II
Primary Sources in World Warfare: The Vietnam War
American History: The Salem Witch Trials: A Crisis in Puritan New England
Primary Sources in World Warfare: World War I
A Political and Diplomatic History of the Modern World: The Cold War
World History: The Black Death: Bubonic Plague Attacks Europe
The World of Renaissance Italy: A Daily Life Encyclopedia
Analyzing the Issues: Critical Perspectives on Terrorism
Daily Life in 18th-Century England
Sacred Texts Interpreted: Religious Documents Explained