SOURCE-17559Research NeededProbable
Wikipedia, footnote 35: "McKisack (1959), p. 100." McKisack, May (1959). The Fou...
Full citation
Wikipedia, footnote 35: "McKisack (1959), p. 100." McKisack, May (1959). The Fourteenth Century: 1307–1399. Oxford: Oxford University Press. ISBN 0198217129.