 He was also the author of the high school football code and invented and copyrighted the "Play Situation Book" now called the "Case Book" The "Play Situations Book" taught the Officials, Coaches, and Players the rules through example and standardized their implementation.According to the Pro Football Hall Of Fame, "many experts concede that Shorty did much to save the game during the dark days [in the 1920s] when football was under a cloud of mounting injuries, outmoded rules, haphazard officiating and draggy contests.