Has a Frog a Soul?

The Soul Stealer

The Price of a Soul

The Ascent of the Soul

The New Avatar and The Destiny of the Soul

The Findings of Natural Science Reduced to Practical Studies in Psychology

A Compendium on the Soul

The Riddle of the Universe at the close of the nineteenth century

The Holy War, Made by King Shaddai Upon Diabolus, for the Regaining of the Metropolis of the World; Or, The Losing and Taking Again of the Town of Mansoul

Three Dialogues Between Hylas and Philonous in Opposition to Sceptics and Atheists

A Treatise Concerning the Principles of Human Knowledge

Phaedrus