Author :
F. Bailey;B.M. Jenkin;Martin F. Roberts;S.Z. de Ferranti;Roger T. Smith;C.P. Sparks;G.W. Partridge;Robert Hammond;H.E. O´Brien;H.W. Clothier;J.F.C. Snell;W.H. Patchell;K. Edgcumbe;H.M. Sayers;G.L. Addenbrooke;J.M.G. Trezise;J.R. Salter;H. Brazil;A.B. Clar