Mary Roberts Rinehart,
The Circular Staircase — Chapter XX
(1908)
“ There was no reason why Thomas, an old and trusted servant, should not have had a key to that particular door, although the servants' entry was in the west wing. But I had not known of this key, and it opened up a new field of conjecture. Just now, however, there were many things to be attended to, and, leaving Warner with the body, we all went back to the house. Mr. Jamieson walked with me, while Halsey and Gertrude followed."I suppose I shall have to notify the Armstrongs," I said. "They will know if Thomas had any people and how to reach them. ”
