Frontline Families: The Civil War: Frontline Soldiers and Their Families
Decades of the 20th and 21st Centuries: The 2000s
Essential Library of World War I: World War I Battles
Defining Documents in American History: The 1960s (1960-1969)
Tech in the Trenches: Strategic Inventions of World War II
Tech in the Trenches: Strategic Inventions of the Cold War
Essential Library of World War I: World War I Causes
Defining Documents in American History: Environment & Conservation (1791-2015)
Defining Documents in American History: Civil Rights (1954-2015)
Defining Moments: Reconstruction
Defining Documents in American History: The Cold War (1945-1991)
Primary Sources of the Abolitionist Movement: John Brown and Armed Resistance to Slavery
Defining Documents in American History: The 1950s (1950-1959)
Military Technology: Top Secret Clearance: Warplanes of World War II Up Close
History of American Indians: Exploring Diverse Roots
Primary Sources of the Abolitionist Movement: Slave Narratives and the Writings of Freedmen
The Early Republic: Documents Decoded