The Real Sherlock Holmes (TV Movie 2012)
The Many Faces of Sherlock Holmes (Video 1985)
Sherlock Holmes Solves the Sign of the Four (Short 1913)
The Sign of Four (1923)
"Sherlock Holmes" The Sign of Four (TV Episode 1968)
"Les grands détectives" Sherlock Holmes: Le signe des quatre (TV Episode 1974)
Sherlock Holmes and the Sign of Four (TV Movie 1983)