warfield theatre
- https://www.dead.net/features/news/vibes-peace
- https://www.dead.net/features/dead-world-roundup/more-come-rhythm-devils
- https://www.dead.net/features/dead-world-roundup/zone-global-drum-project
- https://www.dead.net/archives/1980/photos/jerry-garcia-francis-coppola
- https://www.dead.net/archives/1980/photos/bill-graham-jerry-garcia-howard-hessman-francis-coppola
- https://www.dead.net/archives/1980/photos/warfield-theater
