Empires in the Middle Ages: The Crusades
Cause & Effect: Ancient Civilizations: Ancient Mesopotamia
Cause & Effect: Modern Wars: The War on Terror
Empires in the Middle Ages: The Holy Roman Empire
Understanding the Cultures of the Middle East: Art, Technology, and Language across the Middle East
Understanding the Cultures of the Middle East: Economy, Trade, and Resources across the Middle East
Warriors Around the World: Mongol Warriors
The Great Depression and the New Deal: Key Themes and Documents
World History: World War I and the Rise of Global Conflict
The Sea in World History: Exploration, Travel, and Trade
Primary Sources in World Warfare: World War I
The World of Renaissance Italy: A Daily Life Encyclopedia
Daily Life in 18th-Century England
Russian Revolution of 1917: The Essential Reference Guide
World History: The Inquisition: The Quest for Absolute Religious Power
Warriors Around the World: Conquistadors
Analyzing the Issues: Critical Perspectives on Terrorism
A Political and Diplomatic History of the Modern World: The Post-Cold War World