Defining Documents in American History: The Cold War (1945-1991)
ISIS: An Introduction and Guide to the Islamic State
Defining Documents in American History: Civil Rights (1954-2015)
Tech in the Trenches: Strategic Inventions of the Cold War
Essential Library of World War I: World War I Causes
World War II: The Definitive Encyclopedia and Document Collection
Decades of the 20th and 21st Centuries: The 1960s
The World of the American West: A Daily Life Encyclopedia
Explorers of the American West: Mapping the World through Primary Documents
Essential Library of World War I: Women in World War I
Timeline Trackers: Westward Expansion: A Timeline History of the Transcontinental Railroad
Primary Sources of the Abolitionist Movement: The Women's Rights Movement and Abolitionism
The Louisiana Purchase and Westward Expansion
Influential Women: Malala Yousafzai
Tech in the Trenches: Strategic Inventions of World War II