https://www.dead.net/archives/1967/artwork/earl-warren-showgrounds-poster
https://www.dead.net/archives/1968/artwork/northern-california-folk-rock-festival-poster
https://www.dead.net/archives/1968/photos/head-shot-bobby-playing-northern-california-folk-rock-fest
https://www.dead.net/archives/1968/photos/looking-jerry-bobby-playing-northern-california-folk-rock-fest
https://www.dead.net/archives/1968/artwork/program-northern-california-folk-rock-festival
https://www.dead.net/archives/1968/photos/jerry-pigpen-play-northern-california-folk-rock-fest-color
