Henry McCarty (November 23, 1859 - July 14, 1881) was better known as Billy the Kid, but also known by the aliases Henry Antrim and William Harrison Bonney. He was a 19th century American frontier outlaw and gunman who was a participant in the Lincoln County War. He was reputed to have killed 21 men, one for each year of his life. McCarty was 5'8" with blue eyes, smooth cheeks, and prominent front teeth. Wikipedia
The definitive Wikipedia entry for Billy The Kid. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Billy_the_Kid
A comprehensive site on the famous teenage outlaw Billy The Kid, alias William H. Bonney. Variety of information, detailed biography, comparing facts with the myths and the Young Guns films, includes a discussion board and much more. www.aboutbillythekid.com
Billy The Kid and Posse? Comparison Page It has been rumored, but never authenticated that this is a photo taken of Billy The Kid and part of the posse that captured him. www.angelfire.com/nm/boybanditking/pageBillyPicture.html
The number of men he dropped with his Colt revolver or Remington shotgun, however, does not constitute the total sum of the Billy the Kid legend. www.crimelibrary.com/americana/kid/