https://www.lrsoc.com/forum/forum_files/ServiceNewsletter59.pdf Service Newsletter No 59 – September 1955
https://www.lrsoc.com/forum/forum_files/ServiceBulletin4U1.pdf 5250 – 1954 LAND ROVER 86″ & 107″ UNIT NUMBERING
https://www.lrsoc.com/forum/forum_files/ServiceBulletin5038.pdf 5038 – LAND-ROVER AND NUMBERING (additional info)
https://www.lrsoc.com/forum/forum_files/ServiceBulletin5031.pdf 5031 – LAND-ROVER STATION WAGON SERIAL NUMBERING
