J. V. Jespersen, K. (1975). 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). Historisk Tidsskrift, 13. Hentet fra https://tidsskrift.dk/historisktidsskrift/article/view/51645