https://www.lrsoc.com/forum/forum_files/ServiceBulletinX3.pdf 5147 – FREQUENCY OF OIL CHANGE / UPPER CYLINDER LUBRICATION
https://www.lrsoc.com/forum/forum_files/ServiceBulletinX2.pdf 5106 – 1950-51 LAND-ROVER RECOMMENDED LUBRICANTS
https://www.lrsoc.com/forum/forum_files/ServiceBulletinW3.pdf 5134 – 1951 LAND-ROVER TECHNICAL SPECIFICATION
https://www.lrsoc.com/forum/forum_files/ServiceBulletinW2.pdf 5105 – 1950 LAND-ROVER TECHNICAL SPECIFICATION
https://www.lrsoc.com/forum/forum_files/ServiceBulletinU5.pdf 5130 – 1951 LAND-ROVER AND UNIT NUMBERS
https://www.lrsoc.com/forum/forum_files/ServiceBulletinU2.pdf 5104 – 1950 LAND-ROVER AND UNIT NUMBERS
https://www.lrsoc.com/forum/forum_files/ServiceBulletinR6.pdf 5137 – R6 BODY: TOUCHING UP PROCESS FOR LAND-ROVER BODIES
