By Schnabel, Jerry, Swygert, Susan L.
By British Sub-Aqua Club
By Barrett, Norman
By Deeley, Len, Gargani, Karen
By Roberts, Callum
By Don Hale
By Tierney, Beth, Shaun
By Middleton, Ned
By National Association of Underwater Instr, Jim Mitchell, Derrick Story
By Chris Santella
By Explorer Publishing
By Brittain, Colin
By James Nestor
By Patricia Wilson
By Tim Rock
By Bill Broady
By Horace E. Dobbs
By Jo Chambers, Paul Broadbent
By Roger Deakin
By Mountain, Alan
By Ellerby, Deric, Critcher, Paul, Brading, Bob, etc., Legge, Ian, Brading, Bob, Calverley, Julian, Hood, Charles
By Ferreras, PipĂn
By Mike Holbrook, Mike Bustilli, Gordon Ridley, Mike Todd, Various
By British Sub-Aqua Club, Bsac
By Ecott, Tim
By Tim Simond