Ruby (Resident Evil 4 Remake)

Inside the small case next to the door.

Inside the draw of the table in the south corner of the 1F.

Inside the large treasure chest in the northern offshoot.

Inside the draw of the desk in the north west corner of the 1F stairway.

Inside the lantern hanging from the rope in the middle of the main clearing area.

Inside the lantern hanging from the ceiling in the north west corner.

Inside the lantern at the top of the north east ladder, accessible from the area behind the locked gate. You need to solve the puzzle to unlock the gate.