Cause & Effect: Modern Wars: The Vietnam War
The Britannica Guide to Islam: The Foundations of Islam and Islamic Thought
Cause & Effect: Modern Wars: World War II
The New Era of the 1920s: Key Themes and Documents
The Britannica Guide to Islam: The Islamic World from Prehistory to 1041
Cause & Effect: Ancient Civilizations: Ancient Rome
Cause & Effect: Ancient Civilizations: Ancient Greece
Cause & Effect: Ancient Civilizations: Ancient Egypt
The Britannica Guide to Islam: Islamic Art and Architecture
Cause & Effect: Ancient Civilizations: Ancient Mesopotamia
A Political and Diplomatic History of the Modern World: The Cold War
World History: The Black Death: Bubonic Plague Attacks Europe
American History: The Salem Witch Trials: A Crisis in Puritan New England
Primary Sources in World Warfare: The Vietnam War
Primary Sources in World Warfare: World War I
Daily Life in 18th-Century England
Russian Revolution of 1917: The Essential Reference Guide
The World of Renaissance Italy: A Daily Life Encyclopedia
Analyzing the Issues: Critical Perspectives on Terrorism