benefit
- https://www.dead.net/archives/1971/artwork/black-panther-benefit-poster
- https://www.dead.net/archives/1971/artwork/sufi-benefit-poster
- https://www.dead.net/archives/1971/artwork/winterland-arena-sufi-benefit-poster
- https://www.dead.net/archives/1972/artwork/academy-music-new-york-poster
- https://www.dead.net/archives/1972/artwork/road-crew-benefit-poster
- https://www.dead.net/archives/1975/photos/grateful-dead-kezar-stadium
