Woodcock, T. and Robinson, J.M., The Oxford Guide to Heraldry, 1988, Oxford: Oxford University Press [ISBN 0-19-285224-8] UL: 494:1.b.95.10 (UL: North Front, Floor 3); 1992.10.284 (Request and collect from West Room – Not borrowable); and 1998.10.623 (Request and collect from West Room – Not borrowable)