Additional information on the author J.G. Turner.

Additional information on the author J.E.S. Thompson.

Additional information on the author J.E. Norton.

Additional information on the author J.C.T. Oates.

Additional information on the author J.B. Trapp.

Additional information on the author J. Suschitzky.

Additional information on the author J. Stewart Hunter.

Additional information on the author J. Saumarez Smith.

Additional information on the author J. Rosenblum.

Additional information on the author J. Pinkerton.