grateful dead dance marathon
- https://www.dead.net/archives/1971/clippings/letter-grateful-dead-dance-marathon-1-2
- https://www.dead.net/archives/1971/clippings/letter-grateful-dead-dance-marathon-2-2
- https://www.dead.net/archives/1971/clippings/press-new-yorker
- https://www.dead.net/archives/1971/clippings/press-clip-new-york-post
