The directory of the occult
by
Hans Holzer
1974, H. Regnery Co.
The Illustrated guide to the supernatural
by
Sarah Litvinoff
1986, G.K. Hall & Co.
Echoes from the Gnosis
by
G. R. S. Mead
1906
Occult glossary
by
G. de Purucker
1933
Secrets of Mayan science/religion
by
Hunbatz Men
1990
A treasury of witchcraft
by
Harry Ezekiel Wedeck
1961
The occult
by
Colin Wilson
1971
The book of the sacred magic of Abra-Melin the mage
by
Abraham ben Simeon of Worms
1932