The Practice of Mahamudra — The Teachings of His Holiness the Drikung Kyabgon Chetsang Rinpoche

Explanation of the five stages of Mahamudra. Probably the clearest presentation of Mahamudra meditation practice available in English.

The Mahamudra - Eliminating the Darkness of Ignorance — by 9th Karmapa Wangchug Dorje

One of the most famous expositions of the Mahamudra meditational system concerning the true nature of mind. Accompanying the root text is a commentary given orally by Beru Khyentze Rinpoche, based on the teachings of his guru - His Holiness the Sixteenth Karmapa.

Middle Beyond Extremes — Maitreya's Madhyantavibhaga - with commentaries by Khenpo Shenga and Ju Mipham

A classic exposition of the Mind-Only School of Mahayana Buddhism. Included are two commentaries which flesh out the terse root text and explore the underlying philosophical issues. This famed text, often referred to by its Sanskrit title - Madhyantavibhaga - is part of a collection known as the Five Maitreya Teachings.

The Jewel Ornament of Liberation - The Wish-Fulfilling Gem of the Noble Teachings — by Gampopa

A masterwork of Tibetan Buddhism. This text has provided the backbone of study particularly in the Kagyu tradition – covering the initial entry into the path and continuing through finding a spiritual master, teachings on impermanence, karma, bodhicitta, Buddha nature, six perfections, bodhisattva bhumis, Buddhahood and the activities of Buddha.

Esoteric Philosophy of H. P. Blavatsky
— Lectures by Manly P. Hall

1 - Source of "The Secret Doctrine"
2 - Indian Philosophy as Interpreted by H.P. Blavatsky
3 - Inner Teachings of Lamaism
4 - "Voice of the Silence" as Mahayana Buddhism
5 - Raja Yoga of H.P. Blavatsky