Westward Expansion: America's Push to the Pacific: The Gold Rush
Empires in the Middle Ages: The Crusades
Westward Expansion: America's Push to the Pacific: The Erie Canal
Mythology Marvels: Greek Mythology
Debating History: Debates on the Slave Trade
Pivotal Presidents: Profiles in Leadership III: Theodore Roosevelt
Issues in Society: What Should Be Done About Illegal Immigration?
The Bill of Rights: Freedom of Speech, the Press, and Religion: The First Amendment
Primary Sources in World Warfare: World War I
Our Basic Freedoms: Freedom of Religion
World History: The Inquisition: The Quest for Absolute Religious Power
Our Basic Freedoms: Freedom of Speech
Russian Revolution of 1917: The Essential Reference Guide
US Supreme Court Landmark Cases: Fighting Censorship: New York Times v. United States
Our Basic Freedoms: Freedom of Assembly
The Roots and Consequences of Civil Wars and Revolutions: Conflicts That Changed World History
A Visual History of the World: A Visual History of the Great Civilizations
Analyzing the Issues: Critical Perspectives on Fossil Fuels vs. Renewable Energy