Other
Theatr Group: The Actors Studio History
History of The Actor's Studio including its origins in the teachings of Stanislavski and The Group Theater. Also includes the roles of Robert Lewis, Sanford Meisner, and Lee Strasberg.
Wikimedia
Wikipedia: The Actors Studio
Short encyclopedia article about the highly influential "The Actors Studio" group. Also includes a list of famous members and links to related information.
PBS
Pbs: American Masters: The Actor's Studio
Brief history of the influential actor's group called The Actor's Studio. Also includes links to related information such as The Group Theatre and Constantin Stanislavsky.