by A. T. Dover ...[et al.]. by J. J. Bulmer ...[et al.]. by E. R. Parker ...[et al.]. by A. Fletcher ...[et al.]. by H. R. Bolliger ...[et al.]. by H. T. Rall ...[et al.]. by J. F. Bremner ...[et al.]. by L.C.B. Gower ... [et al.]. by A. J. Gane...[et al.] by A. J. Panshin ...[et al.].