studio
- https://www.dead.net/archives/photos/robert-hunter-posing-window
- https://www.dead.net/archives/1967/artwork/grateful-dead-lp-front
- https://www.dead.net/archives/1969/photos/pigpen-posing-chair
- https://www.dead.net/archives/1969/photos/bobby-posing
- https://www.dead.net/archives/1969/photos/billy-posing-chair
- https://www.dead.net/archives/1969/photos/head-shot-phil-posing
