Sherlock Holmes film set in 1940s London, where a series of inexplicable murders is baffling the police: not only are the victims unconnected, but they have all had one of their fingers surgically removed.

"Sherlock Holmes: The Woman in Green" (1945)
Starring Basil Rathbone, Nigel Bruce
Based on the stories by Sir Arthur Conan Doyle
Screenplay by Bertram Millhauser
Produced & Directed by Roy William Neill

More info:
en.wikipedia.org/wiki/The_Woman_in_Green

Avant garde short silent film based on the famous horror story by Edgar Allan Poe. (NOTE: This is the American film, there was also a totally separate French film of the same story in the same year.)

"The Fall of the House of Usher" (1928)
Starring Herbert Stern, Hildegarde Watson, Melville Webber
Based on the short story by Edgar Allan Poe
Screenplay by Melville Webber
Cinematography by James Sibley Watson & Melville Webber
Produced by Film Guild
Directed by James Sibley Watson & Melville Webber

More info: en.wikipedia.org/wiki/The_Fall_of_the_House_of_Usher_(1928_American_film)