Siddeley Puma Aero Engine first Run @ Retrotec 20-04-2016 - YouTube
Armstrong-Siddeley PUMA / LIBERTY 12 | Aerofossile2012 | Flickr
HAC: DH9 Restoration
1917 'Siddeley Puma' British aero engine, 250-hp - Royal F… | Flickr
The Siddeley Puma 240 B.H.P. Aircraft Engine Instruction Handbook Oct 1917 Copy | eBay
Flight 1922-11
The installation of the four Siddeley Puma engines in the fuselage of the Bristol Tramp, looking aft, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10847330 | agefotostock
File:Siddeley Puma 250 hp L'Année Aéronautique 1920-1921.jpg - Wikimedia Commons
Flymotor - Forsvarets museer / DigitaltMuseum
Siddeley Puma – World Warbird News
K Siddeley Puma engine by kanyiko on DeviantArt
Powerhouse Collection - Siddeley 'Puma' 230 hp WWI aero engine