Wikipedia: The Tonight Show
User-created article about the history of The Tonight Show in its various incarnations and hosts Johnny Carson, Jay Leno, Steve Allen, Jack Paar, and Conan O'Brien. Includes notes on classic and recurring gags.
Tonight! (1953) - IMDb
Offers cast and crew credits for Tonight!, the original talk show and original version of what would become The Tonight Show, first hosted by Steve Allen (1954-1957) and later by Jack Paar (1957-1962).