Kelleher (2022), §2. Kelleher, Alexander (June 2022), "'The King's Other Islands of the Sea': The Channel Islands in the Plantagenet Realm, 1254–1341", History, vol. 107, Kennington: The History Association, pp. 453–483, doi:10.1111/1468-229X.13269.
Kelleher (2022), §3. Kelleher, Alexander (June 2022), "'The King's Other Islands of the Sea': The Channel Islands in the Plantagenet Realm, 1254–1341", History, vol. 107, Kennington: The History Association, pp. 453–483, doi:10.1111/1468-229X.13269.