Here are some Polarity Therapy Resources:

1) Digital Dr Stone: 
https://www.digitaldrstone.org
Stone's complete and collected works Volume 1 (the grey book) and Volume 2 (the white book) in digital format and searchable.  such an amazing resource.

2) Randolph Stone Books

Polarity Therapy 1 - Randolph Stone

Polarity Therapy 2 - Randolph Stone

Health Building - Randolph Stone

3) Phil Young and Morag Cambell (Suntara's Teachers) Video Series - Covers all the treatments in all levels.

https://masterworksinternational.vhx.tv/checkout/subscribe/purchase

4) Suntara Resources

Suntara Membership: https://www.suntara.tv/join

How to Sell Your Spiritual Events: Suntara's Course on How to Sell Your Events, also useful to help you build your practice. Special Price for all of you: https://www.suntara.tv/se-enroll-backdoor