The Elements of Tantric Practice — by Jamgon Kongtrul - The Treasury of Knowledge - Volume 8

This volume concerns the meditative processes of the inner system of secret mantra - that of highest yoga tantra - a system of meditation that unites wisdom and compassion. The goal is to make manifest the pristine awareness that is the union of emptiness and bliss.

Secret Teachings of Padmasambhava — Essential Instructions on Mastering the Energies of Life

These ancient texts - attributed to the great Tibetan meditation master Padmasambhava - offer traditional Vajrayana Buddhist teachings on the nature of the fundamental elements that make up our world.

Healing With Form, Energy and Light - The Five Elements in Tibetan Shamanism, Tantra, and Dzogchen — by Tenzin Wangyal Rinpoche

These Dzogchen teachings offers the reader healing meditations and yogic practices on each of these levels. This is a manual for replacing an anxious, narrow, uncomfortable identity with one that is expansive, peaceful, and capable.

Introduction to Tantra - The Transformation of Desire — by Lama Thubten Yeshe

According to Buddhism, every human being has the potential to achieve profound and lasting happiness. And according to the tantric teachings of Buddhism, this remarkable transformation can be realized very quickly if we utilize all aspects of our human energy - especially the energy of our desires.

Paracelsian Philosophy
— Lectures by Manly P. Hall

1 - On Natural & Unnatural Religion & Science
2 - Invisible Creatures of the Five Elements
3 - Universal Energy & Metaphysical Medicine
4 - Doctrine of Sympathetic Forces in Nature
5 - Man As a Constellation