General:

• A People’s History of the United States
• The United States of War
• The US Two-Party System

Civil War and slavery:

• The American Civil War
• The Civil War in the United States
• Nat Turner’s Slave Rebellion
• To Be Free
• The Unfolding Drama

Settler colonialism:

• An Indigenous Peoples’ History of the United States
• Native Americans

Labor and socialist movement:

• History of the Labor Movement in the United States (first 2 volumes, the rest are about the 20th century)
• Marxism in United States History before the Russian Revolution
• History of May Day
• The Populist Movement in the United States
• The Workingmen’s Party of the United States