Cause & Effect: Modern Wars: World War II
Cause & Effect: Modern Wars: The Cold War
Power and Religion in Medieval and Renaissance Times: The Emergence of Modern Europe
The Britannica Guide to Islam: The Islamic World from 1041 to the Present
The Britannica Guide to Islam: The Islamic World from Prehistory to 1041
Empires in the Middle Ages: The Crusades
Power and Religion in Medieval and Renaissance Times: The End of the Middle Ages
Cause & Effect: Ancient Civilizations: Ancient China
Empires in the Middle Ages: The Byzantine Empire
Primary Sources in World Warfare: World War I
World History: The Black Death: Bubonic Plague Attacks Europe
A Political and Diplomatic History of the Modern World: The Cold War
American History: The Salem Witch Trials: A Crisis in Puritan New England
World History: World War I and the Rise of Global Conflict
The Sea in World History: Exploration, Travel, and Trade
The Nile: An Encyclopedia of Geography, History, and Culture
Sacred Texts Interpreted: Religious Documents Explained
Primary Sources in World Warfare: World War II
Hidden Heroes: Women with Wings: Women Pilots of World War II