On the left of the stair was a heavy mahogany door.
He opened the mahogany door and slipped into a passage.
He went in through the plain mahogany door, and stopped.
Costello's mahogany door was closed, just like he had left it four days ago.
He left the mahogany door standing wide open behind him.
A mahogany door separated the area from the rest of the first floor.
He found himself staring at the grain in the mahogany door.
There are mahogany doors to the corner rooms on the ground floor.
Then they tried once again, pressing their shoulders against the heavy mahogany door.
The highly polished mahogany door opened right in his face.