Amazon
UK https://www.amazon.co.uk/David-Rankine/e/B002BLXZ12
USA https://www.amazon.com/David-Rankine/e/B002BLXZ12
Online Reference Libraries
Joe Peterson’s excellent grimoire website – http://www.esotericarchives.com/
The amazing Sacred Texts – www.sacredtexts.com
Indispensable online encyclopaedia for all things Greek & Hellenic – www.theoi.com
Facebook
David Rankine – http://www.facebook.com/grimoires