edited by G. G. Birch and K. J. Parker. edited by G.G. Birch and K.J. Parker. edited by G. Ganetsos, P.E. Barker. edited by G.G.Gibson & R. Walker. edited by G. G. Birch, K. J. Parker and J. T. Worgan. edited by G. G. Roberts and M. J. Morant. edited by B. P. Straughan and S. Walker. edited by G.G. Birch, N. Blakebrough and K.J. Parker. edited by G. D. Birnie and D. Rickwood. edited by F. A. Skinner and J. G. Carr.