Liber albus II: Fols. 421-57
Calendar of the Manuscripts of the Dean and Chapter of Wells: Volume 1
…4 Edward III, 1330 …Witnesses: John de Clyvedon, John de Erlee, Hugh de Langlonde, Ralph Sisours (sic) knights, Simon de Rooche, John Brette, Simon Brette, John de Derburgh, William de Cumbe.
R.III. f. 448.
Historical Manuscripts Commission, ‘Liber albus II: Fols. 421-57’, in Calendar of the Manuscripts of the Dean and Chapter of Wells: Volume 1 (London, 1907), pp. 503-528. British History Online http://www.british-history.ac.uk/wells-mss/vol1/pp503-528 [accessed 23 May 2023].