advertising
- https://www.dead.net/archives/1974/artwork/grateful-dead-mars-hotel-advertisement
- https://www.dead.net/archives/1975/artwork/rolling-stone-blues-allah-advertisement
- https://www.dead.net/archives/1976/artwork/reflections-advertisement
- https://www.dead.net/archives/1976/artwork/steal-your-face-advertisement
- https://www.dead.net/archives/1977/clippings/grateful-dead-movie-advertisement
- https://www.dead.net/archives/1977/clippings/grateful-dead-movie-advertisements
