By Sheppard, David, Worlock, Derek
By Quirk, Randolph, Adams, Valerie, Davy, Derek
By Bowskill, Derek
By French, Derek
By Landy, Derek
By Royal Air Force Historical Society, Wood, Derek
By Walters, Derek, Amanda Barlow
By Derek Tait, Tait, Derek
By Burton, John, Yarrow, I.H.H, Bee, Joyce, Whiteley, Derek, Parks, Peter
By Frank, Derek
By Nicholls, Derek, Speakman, Ray
By Brock, Derek
By Paget, Derek
By Ellis, Derek
By Williams, Derek
By Derek Prince, Prince, Derek