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→External Links
==External Links==
* [https://dadgum.com/giantlist The Giant List of Classic Games Programmers]
* [https://www.mobygames.com/developer/john-c-plaster/credits/developerId,781140/ MobyGames: John C. Plaster]
* [https://www.videogamehouse.net/tombstone.html TI-99/4A Video Game House: Tombstone City]
* [https://en.wikipedia.org/wiki/Tombstone_City%3A_21st_Century Wikipedia: Tombstone City: 21st Century]
[[Category:Software programmer]]
