Cause & Effect: Ancient Civilizations: Ancient Mesopotamia
The New Era of the 1920s: Key Themes and Documents
Cause & Effect: Modern Wars: The Vietnam War
The Britannica Guide to Islam: The Islamic World from 1041 to the Present
The Britannica Guide to Islam: The Foundations of Islam and Islamic Thought
Empires in the Middle Ages: The Byzantine Empire
Empires in the Middle Ages: The Holy Roman Empire
Cause & Effect: Modern Wars: The War on Terror
Power and Religion in Medieval and Renaissance Times: The End of the Middle Ages
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
The World of Renaissance Italy: A Daily Life Encyclopedia
Women in Science: Marie Curie: Radioactivity Pioneer and the First Woman to Win a Nobel Prize
The Great Depression and the New Deal: Key Themes and Documents
Understanding the Cultures of the Middle East: Economy, Trade, and Resources across the Middle East