"Parerga and Paralipomena: Short Philosophical Essays, Volume 1 (Sketch of a History of the Doctrine of the Ideal and the Real)". Book by Arthur Schopenhauer translated by E. Payne, 1974.
John William Gibson, William Henry Crogman, Booker T. Washington, Fannie Barrier Williams (1902). “Progress of a race: or, The remarkable advancement of the American Negro from the bondage of slavery, ignorance and poverty to the freedom of citizenship, intelligence, affluence, honor and trust”