Tertium Organum (the Third Organ of Thought): A Key to the Enigmas of the World; The Mystery of Space and Time, Shadows and Reality, Occultism and Love, Animated Nature, Voices of the Stones, Mathematics of the Infinite, the Logic of Ecstasy, Ouspensky, P. D. Heftet / 2018 / Engelsk
Tertium Organum (the Third Organ of Thought): A Key to the Enigmas of the World; The Mystery of Space and Time, Shadows and Reality, Occultism and Love, Animated Nature, Voices of the Stones, Mathematics of the Infinite, the Logic of Ecstasy, Ouspensky, P. D. Innbundet / 2018 / Engelsk
Tertium Organum (the Third Organ of Thought): A Key to the Enigmas of the World; The Mystery of Space and Time, Shadows and Reality, Occultism and Love, Animated Nature, Voices of the Stones, Mathematics of the Infinite, the Logic of Ecstasy, Ouspensky, P. D. Heftet / 2018 / Engelsk
Symbolism of the Tarot Philosophy of Occultism in Pictures and Numbers Ouspensky, P. D. Heftet / 2002 / Engelsk
