by Arthur C. Clarke,...[et al.] by Arthur C. Clarke,...[et al. by Homer A. Watt,...[et al.] Northrop Frye,...[et al.] by G. L. Bach,...[et al.] by Homer A. Watt,...[et al. by Martina Dobbe,...[et al.] by Adrian L. Hull,...[et al.] Arthur J. Keown ... [et al.]. Arthur Starling ... [et al.]