The Price of a Soul

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

Von der Seele

The New Avatar and The Destiny of the Soul The Findings of Natural Science Reduced to Practical Studies in Psychology

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

La psychologie comme science naturelle, son présent et son avenir Application de la méthode expérimentale aux phénomènes de l'âme

De Heilige Oorlog, gevoerd door Koning Elschaddai tegen Diábolus

A Compendium on the Soul

The Worth of the Soul No. 179