Books
De generaal van de keizer
1999
Fields of Fire A Novel
1980
The Emperor's General
2000
The occult underground
1974
The Age of the Irrational: The flight from reason
1971
The Harmonious Circle The Lives and Work of G. I. ...
1980
The Occult Establishment
1981
A Quest Anthology
1976
Geschichte des neueren Occultismus
1976