https://www.lrsoc.com/forum/forum_files/ServiceNewsletter49.pdf Service Newsletter No 49 – October 1954
https://www.lrsoc.com/forum/forum_files/Service%20Bulletin%2021%20Carb%20Icing.pdf 50021 (Internal) – Carb Icing
https://www.lrsoc.com/forum/forum_files/ServiceBulletinM2.pdf 5151 – M2 CARBURETTOR: ICE FORMATION IN THE CARBURETTOR CHOKE
https://www.lrsoc.com/forum/forum_files/ServiceBulletin5037.pdf 5037 – CARBURETTOR: COMPLAINT – flat spot
