- 09.018 and covered with great oaken trapdoors.
- 09.019 Bilbo discovered the trapdoors
- 09.020 the elves cast them through the trapdoors,
- 09.037 The rest went into the adjoining cellar with the trapdoors.
- 09.051 (nearly all of them had already disappeared through the dark trapdoor)
- 09.055 Then suddenly the trapdoors fell to with a boom