One character in this work states that female devils have clefts and cloven feet, while the males have horns.  
One character in this work states that female devils have clefts and cloven feet, while the males have horns.  Another character in this work heats congealed blood over a fire, and the words "Homo fuge" are inscribed on the arm of the title character, who knows not where he should fly. That title character calls his servants, Valdes and Cornelius, to bring him books on necromancy.  After he has the books, his first act of magic is to summon a devil, who will become his servant for the next twenty-four years.  For 10 points, name this play in which the title character summons Mephastophilis and sells his soul to the devil, a work by Christopher Marlowe.
One character in this work states that female devils have clefts and cloven feet, while the males have horns.  
Doctor {Faustus}