"The approximately 1,235 images in this collection have been selected from a wide range of sources, most of them dating from the period of slavery."

"A collection of digital images containing more than 100 pamphlets published by political and social pressure groups in the United States. Topics include the American Indian Movement, Asian Americans, birth control, Black Panthers, Hollywood Ten, Industrial Workers of the World (IWW), Ku Klux Klan (KKK), Rosenberg Case, Sacco-Vanzetti Case, Scottsboro Boys, Students for a Democratic Society (SDS), and Wounded Knee. From the Michigan State University Libraries."