cash box
- https://www.dead.net/archives/1969/clippings/article-cash-box-about-show-fillmore
- https://www.dead.net/archives/1971/clippings/press-clip-dead-month
- https://www.dead.net/archives/1971/clippings/press-clip-cash-box
- https://www.dead.net/archives/1971/clippings/press-clip-cash-box-0
