The Witch’s Qabala  by Ellen Canon Reed

pgs. 83-90 and 147-148

The Shining Paths  by Dolores Ashcroft-Nowicki            

pgs. 184-187 Meditation on Yesod

A Practical Guide to Qabalistic Symbolism  by Gareth Knight

Chapter XV (pgs. 175-188)

The Mystical Qabala  by Dion Fortune

Chapter 24

Magic of the Qabalah  by Kala Trobe

pgs. 55-81

Other Sources:

A Garden of Pomegranates,  Israel Regardie 

The Middle Pillar,  Israel Regardie

The Elements of Qabalah,  Will Parfitt

Magical States of Consciousness,  Melita Denning and Osbourne Phillips

Tarot and the Tree,  Isabel Kliegman

The Chicken Qabalah,  Lon Milo Duquette

The Miracle Tree,  R.J. Stewart

The Ladder of Lights,  William Gray