A video with commentary about the location of all the small keys and locked drawers in the game.

Timestamps:
Small key and locked drawer 1 (village area): 0:47
Small key and locked drawer 2: 1:32
Small key and locked drawer 3: 2:11
Small key and locked drawer 4: 3:04
Small key and locked drawer 5: 4:01
Small key and locked drawer 6 (castle area): 6:47
Small key and locked drawer 7: 7:22
Small key and locked drawer 8: 7:57
History of the small keys in RE games: 9:44