Richard of Wallingford, 1., & North, J. D. (1976). Richard of Wallingford: An edition of his writings. Clarendon Press.

Richard of Wallingford, 1292?-1335, and John David North. Richard of Wallingford: An Edition of His Writings. Oxford: Clarendon Press, 1976.

Richard of Wallingford, 1292?-1335, and John David North. Richard of Wallingford: An Edition of His Writings. Clarendon Press, 1976.