9 books
The Occult Mysteries of Sound and Numbers
The Alphabet and the Secret of Numbers' Potentiality
The Time And Its Relation To Number - Pamphlet
What Is A Name In Numerology? - Pamphlet
The Rules and Practical Examples of Numerology
The Time and Its Relation to Number
What Is a Name in Numerology?
The Hidden Mysteries Of Numbers
The Mysteries of Sound and Number