El moderno Sherlock Holmes [vídeo], 1995---carát. (Joe Keaton (int.))
Halliwell's film guide, de Leslie Halliwell, 1994---
Internet movie database, 6-03-2003---(Joe Keaton; b. 1867, Terre Haute, Indiana, d. 1946, Ventura County, California; actor; father of "Buster" Keaton)
