Humanism

Hannah Arendt and Martin Heidegger

Principles of nature

Solitude

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

The Colloquies, Volume 2

The Basic Yoga-Sutras of Patanjali

Debating Humanism

Two Dyaloges (c. 1549)

A Handbook of Freethought Containing in Condensed and Systematized Form a Vast Amount of Evidence Against the Superstitious Doctrines of Christianity

The Logic of Vegetarianism

Monism as Connecting Religion and Science

Good Sense

The Quest of the Simple Life

Morality Without God

Think: A Book for To-day

A dialoge or communication of two persons

The philosophy of Elbert Hubbard

Dangerous Dilemmas: Startling but True

A Very Pleasaunt & Fruitful Diologe Called the Epicure

Immortal Youth: A Study in the Will to Create