On Injuries of the Head

Laughter: An Essay on the Meaning of the Comic

The Problem of China

On the Duty of Civil Disobedience

Southern Horrors: Lynch Law in All Its Phases

Scenes in the Life of Harriet Tubman: The Tract Of The Quiet Way

Narrative of Henry Box Brown: The Tract Of The Quiet Way

On the Commonwealth

Cicero's Brutus

Tusculan Disputations

Proposed Roads to Freedom

Euthydemus

We Philologists

Leonardo Da Vinci

Psychism and Spirituality

Hypnotism, Mesmerism, Mind-Reading and Spiritualism

The Athenian Constitution

Categories

Statesman

On the Gait of Animals