Letters, S., Online Gazetteer of Markets and Fairs in England and Wales to 1516 <http://www.history.ac.uk/cmh/gaz/gazweb2.htmlArchived 17 July 2023 at the Wayback Machine>: [Introduction]; Davis, J., Medieval Market Morality: Life, Law and Ethics in the English Marketplace, 1200-1500, Cambridge University Press, 2012, p. 144
Letters, S., Online Gazetteer of Markets and Fairs in England and Wales to 1516 <http://www.history.ac.uk/cmh/gaz/gazweb2.htmlArchived 17 July 2023 at the Wayback Machine>: [Introduction]; Davis, J., Medieval Market Morality: Life, Law and Ethics in the English Marketplace, 1200-1500, Cambridge University Press, 2012, p. 144