Robert Green Ingersoll (1898). “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”
Robert Green Ingersoll (1882). “Wit, Wisdom, Eloquence, and Great Speeches of Col. R. G. Ingersoll: Including Eloquent Extracts, Witty, Wise, Pungent, Truthful Sayings and Full Reports of the Great Speeches of this Celebrated Man, Together with the Funeral Oration at His Brother's Grave”