McKisack, May (July 1948). "Review: Parliaments and Councils of Medieval Ireland. Vol. I by H. G. Richardson; G. O. Sayles". The English Historical Review. 63 (248). Oxford University Press: 367–369 : 369. doi:10.1093/ehr/LXIII.CCXLVIII.367. JSTOR555349.
jstor.org
McKisack, May (July 1948). "Review: Parliaments and Councils of Medieval Ireland. Vol. I by H. G. Richardson; G. O. Sayles". The English Historical Review. 63 (248). Oxford University Press: 367–369 : 369. doi:10.1093/ehr/LXIII.CCXLVIII.367. JSTOR555349.