[by] H. Livesey [and] E. W. Fletcher. by H. D. Jocelyn and B. P. Setchell. by J. D. Livingston and H. W. Schadler. by H. A. J. Pieters and J. W. Creyghton. by H. Bennett and W. G. Hawley. by G. H. Hardy and E. M. Wright. by H. Buckingham and E. M. Price. by H. S. Hall and S. R. Knight. by P. W. Abeles and F. H. Turner. by W. G. McLean and E. W. Nelson.