benefit
- https://www.dead.net/archives/1993/photos/grateful-dead-cal-expo-amphitheatre
- https://www.dead.net/archives/1993/photos/phil-lesh-cal-expo-amphitheatre
- https://www.dead.net/archives/1994/clippings/laminate-cal-expo-amphitheatre
- https://www.dead.net/archives/1994/photos/benefit-music-programs-berkeley-schools
- https://www.dead.net/archives/1998/artwork/poster-phil-lesh-friends
- https://www.dead.net/archives/2006/photos/jerry-jams
