K. J. V. Jespersen, “Bertie Wilkinson: The Creation of Medieval Parliaments. John Wiley and Sons, New York, 1972. I serien Major issues in History, ed. C. Warren Hollister. xiii + 113 s. £3.10 (cloth) / £ 1.80 (paper)”., ht, bd. 13, jan. 1975.