Charlie Chan
MGM's official site, which does little more than advertise some movies on video.
The Charlie Chan Fan Page
Contains a movie list with a synopsis of each movie. Photographs and biographies of the author and the actors are also included.
The House on Punchbowl Hill
An online Charlie Chan museum, featuring a movie list with in-depth synopses and information, biographies, a photo gallery and illustrated scripts for the four "lost" films.
Waikiki's House Without a Key
Information about the series, and links.