Some Mistakes of Moses: Volume 85; Volume 618

The Gods, and Other Lectures

Modern history

An Oration on the Gods

Lectures of Col. R.G. Ingersoll: Including His Letters on the Chinese God--Is Suicide a Sin?--The Right to One's Life--etc. Etc. Etc, Volume 2

Mediaeval history

Ingersollia: Gems of Thought from the Lectures, Speeches, and Conversations of Col. Robert G. Ingersoll, Representative of His Opinions and Beliefs ...

The Ghosts, and Other Lectures

Essays and Speeches

Popular edition of col. Ingersoll's lectures. (Freethought publ. co.'s ed.).

About the Holy Bible: A Lecture

Walt Whitman

An Oration on the Life and Services of Thomas Paine

Outlines of Universal History: Designed as a Text-book and for Private Reading

Shakespeare: A Lecture

Trial of C. B. Reynolds for Blasphemy: At Morristown, N. J., May 19th and 20th, 1887

The Beginnings of Christianity: With a View of the State of the Roman World at the Birth of Christ

Wit, Wisdom and Eloquence of Col. R.G. Ingersoll: Including Eloquent Extracts, Witty, Wise, Pungent, and Truthful Sayings, and Oratorical Dissertations Concerning Home Life, Social, Civil, and Political Life, Addressed to All Classes of Persons and Especially to American Citizens

Liberty in Literature: Testimonial to Walt Whitman

A Vindication of Thomas Paine: A Reply to the New York Observer