Social

The Kingdom of Man

The Collected Works of John Stuart Mill

Transcendentalism in New England

The Inevitable Crimes of Celibacy

The Drama of Love and Death: A Study of Human Evolution and Transfiguration

The Complete Essays by Herbert Spencer (Vol. 1–3)

Hegel: Lectures on Philosophy

The Ruins; Or, Meditation on the Revolutions of Empires and the Law of Nature

THE SOCIAL CONTRACT

The Arc of Love

Fundamental Philosophy

The Map of Life

Discourse on the Origin of Inequality

The Ethics of Diet

Freedom In Service

The Scientific Basis of National Progress, Including that of Morality

The Marx He Knew

If, Yes and Perhaps

Liberty in the Nineteenth Century

Ethical Relativity