Up from Slavery: an autobiography

Ten Great Religions / An Essay in Comparative Theology

Maxims and Reflections

The History of the Devil / As Well Ancient as Modern: In Two Parts

The Light Shines in Darkness

Five Stages of Greek Religion

On the Decay of the Art of Lying

Three Philosophical Poets / Lucretius, Dante, and Goethe

The American Crisis

Prometheus Bound and The Seven Against Thebes

Christianity and Greek Philosophy / or, the relation between spontaneous and reflective thought / in Greece and the positive teaching of Christ and His / Apostles