Harle Oren Cummins, ''The Black Cat'' (1901)
“ His illness was short, but long enough to ripen the acquaintance with the Doctor into a warm friendship, resulting in an invitation to the physician to visit the princely estate of Fabriano. In this Umbrian fastness, where his ancestors had exercised sovereign power, Fabriano was regarded as the lord of the soil, by all but a few adherents of a deposed house under the leadership of Luigi di Folengo. One evening, as Hardy went to the Prince’s rooms for their usual smoke and game of cards, he found the Prince sitting by the table, holding a bottle of amber-colored liquid. ”
