Empires in the Middle Ages: The Crusades
The Britannica Guide to Islam: Islamic Literature
Empires in the Middle Ages: The Byzantine Empire
Empires in the Middle Ages: The Holy Roman Empire
Power and Religion in Medieval and Renaissance Times: The End of the Middle Ages
Power and Religion in Medieval and Renaissance Times: The Emergence of Modern Europe
The Roots and Consequences of Independence Wars: Conflicts That Changed World History
The Britannica Guide to Islam: Islamic Art and Architecture
Cause & Effect: Ancient Civilizations: Ancient Mesopotamia
The Britannica Guide to Islam: The Islamic World from Prehistory to 1041
African Kingdoms: An Encyclopedia of Empires and Civilizations
American History: The Salem Witch Trials: A Crisis in Puritan New England
World History: The Black Death: Bubonic Plague Attacks Europe
World History: The French Revolution: The Power of the People
World History: World War I and the Rise of Global Conflict
A Political and Diplomatic History of the Modern World: The Post-Cold War World
Warriors Around the World: Conquistadors
Women in Science: Marie Curie: Radioactivity Pioneer and the First Woman to Win a Nobel Prize
Primary Sources in World Warfare: World War II
Hidden Heroes: Women with Wings: Women Pilots of World War II