Sax Rohmer

“ They set off along the narrow way. Once clear of the hotel wall, high buildings rose upon either side, so that at no time during the day could the sun have penetrated to the winding lane. Suddenly Robert Cairn stopped.
"Look!" he said, and pointed. "The mosque! You spoke of a mosque near to the house?"
Dr. Cairn nodded; his eyes were gleaming, now that he felt himself to be upon the track of this great evil which had shattered his peace.
They advanced until they stood before the door of the mosque—and there in the shadow of a low archway was just such an ancient, iron-studded door as Dr. ”

“ Cairn; "therefore I think we will adopt your plan. Perhaps there is some means of egress at the back. It will be useful if we have to remain on the watch for any considerable time."
They entered the ruined building and, by means of a rickety staircase, gained the floor above. ”

“ Robert Cairn unwrapped the little parcel. It contained a penknife, the ivory handle charred as if it had been in a furnace. It was his own—which he had handed to his father in that awful cellar at the moment when the first spider had dropped; and a card was enclosed, bearing the pencilled words, "With Antony Ferrara's Compliments."
↑ Note.—"It seems exceedingly probable that ... the mummy-case (sarcophagus) , with its painted presentment of the living person, was the material basis for the preservation of the ... Khu (magical powers) of a fully-equipped Adept." Collectanea Hermetica. Vol. ”