I'mma just give you my list anyways. :heston
20's: Cabinet of Dr. Caligari, Nosferatu, Hunchback of Notre Dame, Phantom of the Opera, Haxan
30's: Bride of Frankenstein, Dracula, Freaks, Frankenstein, The Mummy
40's: The Wolf Man, Cat People, The 7th Victim, Frankenstein Meets The Wolf Man...