Justice

Martin Luther King Jr.'s 1963 letter written from prison remains one of his most famous works.

Rosa Parks discusses her refusal to give up a seat to a white man on a Montgomery, Alabama bus in 1955.

This 1958 interview is the earliest known radio recording to overtly discuss homosexuality.

“This dramatic display of unity may well inspire the Negro residents of other Southern cities to similar action.”

A feminist rant for the ages.

After Sacco and Vanzetti's final appeal was rejected, Felix Frankfurter, then a professor at Harvard Law School, laid out the many problems with their trials.

Du Bois’ 1897 essay describes the “double consciousness” of African Americans who are “shut out from their world by a vast veil.”

Atlantic writer William Phillips conducted three interviews with Brown before Brown's fateful raid on Harper's Ferry.

Against the backdrop of another conflict over slavery in 1861, Thomas Wentworth Higginson wrote an in-depth narrative of Denmark Vesey's planned slave revolt in Charleston, SC.

An editorial to the "National Anti-Slavery Standard," republished in "Letters from New York."

A letter from the creators of Freedom's Journal to their initial patrons.

Interactive maps showing the historical geography of influential American social movements since the late 19th century.