Merl Saunders
- https://www.dead.net/archives/1972/artwork/heavy-turbulence-lp-front
- https://www.dead.net/archives/1972/artwork/heavy-turbulence-lp-back
- https://www.dead.net/archives/1971/artwork/jerry-garcia-merl-saunders-matrix-poster
- https://www.dead.net/archives/1971/artwork/jerry-garcia-merl-saunders-matrix