The Human Aura + The Astral world - by Swami Panchadasi

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https://www.amazon.com/Swami-Panchadasis-Clairvoyance-Occult-Powers/dp/1578635004/

https://www.amazon.com/Human-Aura-Swami-Panchadasi/dp/1585092541/

https://www.amazon.com/Astral-World-Dwellers-Phenomena-Manuals/dp/1585090719/

read here:
https://archive.org/stream/astralworlditssc00panc?ref=ol#page/n1

william walker atkinson