SOURCES FOR THE WHITE DEVIL

Bignon, Jerome. A Brief, but an Effectual Treatise of the Election of Popes (1605).

Florio, John, trans. A Letter Lately Written From Rome ...Wherein is Declared the Sudden Death of Pope Gregory the Thirteenth, The Lection of the New Pope (1585).

REFERENCE : David Gunby, David Carnegie and Antony Hammond, eds. The Works of John Webster. 1 vol. to date. Cambridge: Cambridge University Press, 1995-present. 1.361-8.