Also their tumblr site: link

"The premier publication of scholarship about Sherlock Holmes"

"Information, photos, video, etc., about Jeremy Brett on screen, stage and more"

"A literary and social Society open to anyone with an interest in Sherlock Holmes, Dr John H. Watson and their world"

"The World of Sherlock Holmes in Books, Films,Television and Radio"

the lastest sherlock holmes' videogame: the testament of sherlock holmes. This is the link of the official web site