Research Sources
https://bulbapedia.bulbagarden.net/wiki/Pok%C3%A9mon_Red_and_Blue_Versions
https://en.wikipedia.org/wiki/Pok%C3%A9mon_Red_and_Blue
https://www.cinemablend.com/games/1598870/how-the-original-game-boy-set-back-pokemon-red-and-blues-development
https://www.gamespot.com/articles/pokemon-red-and-blue-might-never-have-happened-dev/1100-6434479/
http://uk.ign.com/wikis/pokemon-red-blue-yellow-version/History