Big Sleep, The - 1946
Apollo Movie Guide: The Big Sleep, Dom's Big Sleep, Greatest Films - The Big Sleep, IMDb, The Big Sleep (1946), The Big Sleep (1946)
Big Sleep, The - 1978
IMDb: The Big Sleep (1978), Rotten Tomatoes: The Big Sleep (1978), The Big Sleep (1978)
Philip Marlowe
Comprehensive filmography of Raymond Chandler's hardboiled detective, as well as a bibliography and list of radio and TV adaptations.
Philip Marlowe - Fictional Private Eye
Brief biography and links to other Marlowe pages.
Shamus
Marlowe tribute with information on the eight films to feature the character.