Raffaele D'amato/ Graham Sumner (ILT)
(3)
William Graham 1840-1910 Sumner
(3)
Ian Sumner/ Graham Sumner (ILT)
(1)
Ian Sumner/ Graham Turner (ILT)
(1)
Timothy Dawson/ Graham Sumner
(1)
William Graham Sumner/ Robert C. Bannister (EDT)
(1)
William Graham Sumner/ Robert H. Thurston
(1)