The Holocaust: An Encyclopedia and Document Collection
The Nile: An Encyclopedia of Geography, History, and Culture
Hidden Heroes: Women with Wings: Women Pilots of World War II
National Parks: Grand Canyon National Park
Women in Science: Jane Goodall: Primatologist and UN Messenger of Peace
Encyclopedia of American Civil Rights and Liberties
Hidden Heroes: The Stonewall Riots: The Fight for LGBT Rights
Special Reports, Set 2: The Gender Wage Gap
US Supreme Court Landmark Cases: Desegregating Schools: Brown v. Board of Education
National Parks: Great Smoky Mountains National Park
US Supreme Court Landmark Cases: Marriage Equality: Obergefell v. Hodges
National Parks: Yosemite National Park
National Parks: Glacier National Park
National Parks: Everglades National Park
American Citizenship: Constitutional Rights
The Bill of Rights: Freedom of Speech, the Press, and Religion: The First Amendment
Defying Convention: Women Who Changed the Rules: Women Writers
Special Reports, Set 2: The War on Poverty
Explorers of the American West: Mapping the World through Primary Documents