Georgy Zhukov/ Geoffrey Roberts (EDT)
(2)
Boris Bogachev/ Maria Bogacheva (TRN)/ Geoffrey Roberts
(1)
Carol Heron,John (Bucknell University Hunter USA),Geoffrey Knupfer,Anthony Martin,Mark Pollard,Charlotte Roberts
(1)
H. A. Turner,Garfield Clack,Geoffrey Roberts
(1)
Kim Scott (RTL)/ Lomas Roberts (RTL)/ Wirlomin Noongar (RTL)/ Geoffrey Woods (ILT)/ Anthony Roberts (ILT)
(1)
Martin Folly/ Geoffrey Roberts (CON)/ Oleg Alexandrovich Rzheshevsky (CON)
(1)