The Register of John Morton, archbishop of Canterbury, 1486-1500, vol. I, ed. by Christopher Harper-Bill.
P. 125 (= no. 433): Ordinations ... in the cathedral of Canterbury 14.4.1487, subdeacons: Roger Beyverley, George London, OESA Canterbury; p. 126 (= no. 434): Ordinations ... in the parish church of Croydon 9.6.1487, subdeacon: Robert Dawson, deacon: William Frere, priest: Gerard Matheu, all of OESA London; p. 127 (= no. 436): Ordinations in the cathedral of Canterbury 20.9.1488: accolite: John Mascall of OESA Canterbury; p. 129 (= no. 438): Ordinations in the cathedral of Canterbury 10.4.1490, subdeacon: John Marsshall; p. 130 (= no. 440): Ordinations in the cathedral of Canterbury 24.9.1491, accolites: John Crosse, Richard Barham, Stephan Garard; p. 132 (= no. 442): Ordinations in the cathedral of Canterbury 6.4.1493: accolites: William Walter, Robert Sewte; p. 165 (= no. 704): Institution of John Fantyng OESA rector to the church of Blackmanstone, 11.9.1498.