Molyneux, William (1869): , Trübner & Company. Underhill, C.H. (1941): , Burton: Tresises Stuart, Denis (1975): , The Charter Trustees of Burton upon Trent. Stuart, Denis (1977): , The Charter Trustees of Burton upon Trent. Radford, G.E. (1973): , egenutgivelse Hunt, Ernest Aldington (1973): , British Publishing Co, Gloucester. Owen, C.C. (1978): , Phillimore, Chichester. Sawyer, P.H. (1979): , Oxford University Press, Oxford.