Walker, S. K. (October 1989). "Lordship and Lawlessness in the Palatinate of Lancaster, 1370-1400". Journal of British Studies. 28 (4): 325–348. doi:10.1086/385941. JSTOR175435. S2CID222238697.
Walker, S. K. (October 1989). "Lordship and Lawlessness in the Palatinate of Lancaster, 1370-1400". Journal of British Studies. 28 (4): 325–348. doi:10.1086/385941. JSTOR175435. S2CID222238697.
Walker, S. K. (October 1989). "Lordship and Lawlessness in the Palatinate of Lancaster, 1370-1400". Journal of British Studies. 28 (4): 325–348. doi:10.1086/385941. JSTOR175435. S2CID222238697.