A Study in Scarlet
http://www.gutenberg.org/files/244/244-h/244-h.htm
The Project Gutenberg e-text of the novel.
Sherlockian.Net: Arthur Conan Doyle
http://www.sherlockian.net/acd/
A portal with links, essays, and more regarding Doyle and his life and works.
Sir Arthur Conan Doyle
http://www.britannica.com/EBchecked/topic/170563/Sir-Arthur-Conan-Doyle
The Encyclopedia Britannica entry for Doyle.
