Shakespeare, William. Measure for measure. Sources.
2597 65.26 =**G.4072.50.2 Whetstone, George. 15447-15877
The history of Promos and Cassandra, closely resembling the plot of Shakespeare's Measure for measure. Reprinted from "Whetstone's Heptameron of civil discourses," 1582. (1), 51-62 pp.
(In Collier, John Payne, compiler. Shakespeare's library...Vol. 2. London. [1845 .) )