by Guy N. Smith ... [et al. by Guy N. Smith ... [et al.] Brian D. Smith ... [et al. Robert G. Smith ... [et al. Brian D. Smith ... [et al.] Robert G. Smith ... [et al.] by Irving Rein ... [et al. by Julia Twigg ... [et al. Brian Leith ... [et al. by Carole Stott ... [et al.