== Eksterne henvisninger ==
{{Commonscat}}
* [http://www.sherif.dk/pages/profil%20Billy%20the%20Kid.html SHERIF.DK – Billy the Kid – på dansk]
* [http://www.aboutbillythekid.com About Billy the Kid] 
* [http://www.angelfire.com/mi2/billythekid/ Billy the Kid: Outlaw Legend] 
* [http://www.angelfire.com/nm/boybanditking/pageBillyPicture.html Billy the Kid and Posse?]
* [https://www.crimemuseum.org/crime-library/robberies/billy-the-kid/ Crime Museum], ''Billy the Kid''
* [http://www.historynet.com/historical_figures/3031501.html Wild West magazine], ''Billy the Kid: The Great Escape'', Barbara Tucker Peterson og Louis Hart, august 1998 {{Webarchive|url=https://web.archive.org/web/20080214091922/http://www.historynet.com/historical_figures/3031501.html |date=14. februar 2008 }}
* [http://www.historynet.com/culture/wild_west/4929371.html Wild West magazine], ''The Hunting of Billy the Kid'', Frederick Nolan, juni 2003 {{Webarchive|url=https://web.archive.org/web/20080214091917/http://www.historynet.com/culture/wild_west/4929371.html |date=14. februar 2008 }}
* [http://www.historynet.com/historical_figures/4852001.html Wild West magazine] {{Webarchive|url=https://web.archive.org/web/20080214091927/http://www.historynet.com/historical_figures/4852001.html |date=14. februar 2008 }}, ''Billy the Kid and the U.S. Marshals Service'', David S. Turk, Februar 2007 (udgivet december 2006) {{dødt link}}
* {{findagrave|94}}
Kriminalitet