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 "Doctrines of Hermes Trismegistus" series. Recorded in 1958 at the Philosophical Research Society, Los Angeles.

Lecture 1 of the "Doctrines of Hermes Trismegistus" series. Recorded in 1958 at the Philosophical Research Society, Los Angeles.

From the "Classical Philosophy" collection. Recorded at the Philosophical Research Society, Los Angeles.

From the "Bible and Christianity" collection. Recorded at the Philosophical Research Society, Los Angeles.