Buddhist Philosophy in Theory and Practice — by Herbert V. Guenther

Growth of Buddhist philosophy as an encompassing vision that seeks to discover the Knowable and to reveal the nature of Being.

Gateway to Knowledge - The Gate for Entering the Way of a Pandita — by Jamgon Mipham

A condensation of the Buddhist Canon and its accompanying commentaries. Consolidating the intent of Buddha Shakyamuni's teachings into a unified body of text books, it is the philosophical backbone of the living tradition of Tibetan Buddhism.

The Wisdom of the Knowing Ones Gnosticism - the Key to Esoteric Christianity — by Manly P. Hall

This work covers the relationship of Gnostic mysticism to the inner teachings of Plato, the insights of Valentinus, Basilden, Bardaisan and others, magical meanings of talismanic gems, the spiritual glory of Alexandria and the Gnostic essence of the Christian message.

Illustrated with Gnostic artifacts, this is a must for all those intrigued by this popular subject.

The Wisdom Series
— Lectures by Manly P. Hall

1 - The Challenge of Forever Becoming
2 - The Wonder World of Words
3 - From Knowledge to Wisdom
4 - From Wisdom to Understanding
5 - Faiths That Lead to Certainties
6 - Now, a Moment in Eternity

Practical Mysticism in Modern Living
— Lectures by Manly P. Hall

1 - Mystical Content in Scientific Knowledge
2 - Mystical Directives to Personal Action
3 - Mystical Aspects of Modern Medicine
4 - Mystical Overtones in Culture & Society
5 - Mystical Trends in Modern Psychology