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

Lecture 1 of the "Greek & Roman Deities as Personifications of Divine Principles" series. Recorded in 1959 at the Philosophical Research Society, Los Angeles.

Lecture 1 of the "Esoteric Anthropology" series. Recorded in 1958 at the Philosophical Research Society, Los Angeles.

Lecture 3 of the "Doctrines of Neoplatonism" series. Recorded in 1955 at the Philosophical Research Society, Los Angeles.