By Kidner, Derek
By Keene, Derek, Burns, Arthur, Saint, Andrew
By Avery, Derek
By Thomas, Derek
By Blackman, Malorie, Brazell, Derek
By Valins, Martin S., Salter, Derek
By Derek, Carlaw
By Palastanga MA BA FCSP DMS DipTP Professor, Nigel, Soames BSc(Human Biology) PhD(Human Sciences) Professor, Roger W., Field Grad Dip Phys FCSP DipTP SRP, Derek
By Landy, Derek
By Siegel, Elizabeth, Toye, Derek
By Matthews, Derek
By Cotter, E.P.C., Rimington, Derek
By Pearsall, Derek
By Steer, Dugald, Matthews, Derek
By Tangye, Derek
By Bell, Derek, et al
By Russell, Terry, etc., Longden, Ken, McGuigan, Linda, Bell, Derek
By Torres, Derek
By Cooper, Derek
By Frisby, David, Sayer, Derek
By Raymond, Derek
By Raymond, Derek, Williams, John
By Lundy, Derek
By Davidson, Derek
By Piggott, Derek