The Hunchback of Notre Dame by Book 4 Chapter 5 Page 9

since that time, had already begun to fall in ruins, — so greatly had the hermetics and the alchemists of all countries wasted away the walls, merely by carving their names upon them. Some neighbors even affirm that they had once seen, through an air-hole, Archdeacon Claude excavating, turning over, digging up the earth in the two cellars, whose supports had been daubed with numberless couplets and hieroglyphics by Nicolas Flamel himself. It was supposed that Flamel had buried the philosopher’s stone in the cellar; and the alchemists, for the space of two centuries, from Magistri to Father Pacifique, never ceased to worry the soil until the house, so cruelly ransacked and turned over, ended by falling into dust beneath their feet.

Again, it is certain that the archdeacon had been seized with a singular passion