 He reached this conclusion primarily because "A Shrew" features numerous lines almost identical to lines in Marlowe's "Tamburlaine" and "Dr. Faustus".In 1926, building on Hickson's research, Peter Alexander first suggested the bad quarto theory.Alexander agreed with Hickson that "A Shrew" was derived from "The Shrew", but he did not agree that Marlowe wrote "A Shrew".