From Videogame Morgue File
Photos On Location
- https://stanfordmag.org/contents/bill-pitts-68 — Bill Pitts explains a bit about his brief career in games. (April 30th, 2012)
- They Create Worlds: The Story of the People and Companies That Shaped the Video Game Industry, Vol. I: 1971-1982 by Alexander Smith.
- Replay: The History of Video Games by Tristan Donovan.