A long-form Terence McKenna talk on matter, magic and the alchemical imagination, running just over four hours.

Trialogue between Terence McKenna, biologist Rupert Sheldrake and mathematician Ralph Abraham on chaos and the world soul. A Hither Hills production, also issued by Sound Photosynthesis as catalog #V377-95.

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".

Reality and Its Transcendental Supplement. Talk given at the conference “Parallax. The Dependence of Reality on Its Subjective Constitution” at the Munich School of Philosophy, Germany.

This video is an episode of The Looseleaf Report #71 hosted by Victoria Looseleaf from 1989 featuring an interview with Timothy Leary. Leary discusses memes, the book Flashbacks, information age and the death of Abbie Hoffman. (check out 7:24 thru 7:37)