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Forrest, Ian (24 August 2017). "Peasants and Lords in the Medieval English Economy: Essays in Honour of Bruce M.S. Campbell, ed. Maryanne Kowaleski, John Langdon and Phillipp R. Schofield". The English Historical Review. 132 (558): 1299–1301. doi:10.1093/ehr/cex220. ISSN0013-8266.