Belleforest, François de. Histoires Traguiques (collection of tales, pr. 1560-1580). 5.3.
(perhaps) Bright, Timothy, A Treatise of Melancholy (1584).
Nashe, Thomas. Piers Penniless his Supplication to the Devil (1592).
REFERENCE : Harold F. Brooks, ed. Hamlet. London: Methuen, 1982. 82-112.