Complete twelve-tape participant recording of Terence McKenna's multi-day Esalen workshop on the I Ching, the Tao and the Timewave -- roughly fifteen hours of unedited sessions. Circulated as a participant tape set; the source upload dates it to November 1988 while the Terence McKenna Archives bibliography lists a 1991 Esalen workshop under the title "The Time Wave, the Tao, and Novelty".

Lecture 5 of the "Invisible Bodies of Men in Hindu Philosophy" series. Recorded in 1956 at the Philosophical Research Society, Los Angeles.

From the "Health and Healing" collection. Recorded at the Philosophical Research Society, Los Angeles.

Lecture 4 of the "Greek & Roman Deities as Personifications of Divine Principles" series. Recorded in 1959 at the Philosophical Research Society, Los Angeles.

Lecture 3 of the "Great Polarities" series. Recorded in 1965 at the Philosophical Research Society, Los Angeles.