bob matthews
- https://www.dead.net/archives/1967/artwork/first-grateful-dead-bumper-sticker
- https://www.dead.net/archives/1967/clippings/olompali-sunday-times-1-page-4-4
- https://www.dead.net/archives/1967/clippings/olompali-sunday-times-1-page-1-4
- https://www.dead.net/archives/1967/clippings/olompali-sunday-times-1-page-2-4
- https://www.dead.net/archives/1967/clippings/olompali-sunday-times-1-page-3-4
- https://www.dead.net/archives/1967/photos/grateful-dead-bust-710-ashbury