Barraclough, Geoffrey, ‘The English Royal Chancery and the Papal Chancery in the Reign of Henry III’ 62 Institut für Österreichische Geschichtsforschung, Mitteilungen 365
Bartlett R, ‘Extracts from Chapter 3 “Lordship and Government” and “The Sources”’, England under the Norman and Angevin kings, 1075-1225, vol The new Oxford history of England (Clarendon Press 2000)
Boyle, L., ‘Diplomatics’, Medieval studies: an introduction (2nd ed, Syracuse University Press 1992)
Carpenter, D., ‘The English Royal Chancery in the Thirteenth Century’, English government in the thirteenth century (Boydell Press 2004)
Clanchy, M. T., ‘The Proliferation of Documents’, From memory to written record: England 1066-1307 (2nd ed, Blackwell 1993)
Geoffrey Barraclough, 1908-1984, ‘The Executors of Papal Provisions in the Canonical Theory of the Thirteenth and Fourteenth Centuries’, Acta Congressus Iuridici Internationalis VII saeculo / a decretalibus Gregorii IX et XIV a codice Iustiniano promulgatis Romae 12-17 Novembris 1934, vol 3 (Apud Custodiam Librariam Pont Instituti Utriusque Iuris 1936)
Herde P, ‘Papal Formularies for Letters of Justice (13th-16th Centuries) : Their Development and Significance for Medieval Canon Law’ in Stephan Kuttner (ed), Proceedings of the Second International Congress of Medieval Canon Law : Boston College, 12-16 August 1963 (S Congregatio de seminariis et studiorum universitatibus 1965)
Zutshi P, ‘When Did Cambridge Become a Studium Generale?’, Law as profession and practice in medieval Europe: essays in honor of James A. Brundage (Ashgate 2011)