1. Bogost, Ian. 2010. Persuasive Games: The Expressive Power of Videogames. Cambridge: MIT Press.
2. Boy Police Installed in Park: ‘Headquarters’ Opened by Commissioner Stover, and Now Youthful Patrolmen Are Equipped to Help Regulars in Making Populace Behave. 1913, August 21. New – York Tribune, 7.
3. Boy Police Make an Orderly Fourth. 1907, July 1. New York Times, 16.
4. Boys Found a Model City. 1904, June 18. San Francisco Chronicle, 13.
5. Boys hold elections like their elders. New York Times November 9, 1913, x5.