Clubs

Rolls-Royce Enthusiasts' Club
Rolls-Royce Owners' Club
Rolls-Royce Owners' Club of Australia
Bentley Drivers Club
New Zealand Rolls-Royce and Bentley Club
The Silver Ghost Association (USA)
The Phantom III Technical Society
The Ghost Club International

Stichtingen

The Sir Henry Royce Memorial Foundation
Rolls-Royce Foundation (USA)
Sir Henry Royce Foundation (Australia)

Merken

Rolls-Royce Motor Cars Limited
Rolls-Royce PLC
Bentley Motors Ltd

Verscheidene

Rolls-Royce Museum - Austria
Privatmuseum von Hans-Günter Zach
Rolls-Royce & Bentley Archives, Photos, Reports, and Books
Continental Register
Stephe Boddice - PIII Engine Rebuild Diary
Rolls-Royce & Bentley Specialists' Association
"De Mascotte" Dutch Owners Club