British Rail: London Midlands Division Records of the London Midland Division of British Rail, including those of predecessor companies, including the Midland Railway and London Midland and Scottish Railways, c1849-1970s. Abbreviations: BTC = British Transport Commission EAOO = Estate Agent's Office, Derby GC = Great Central Railway LMD = London Midland Division LMS = London Midland and Scottish Railway LNE = London and North Eastern Railway LNW = London and North Western Railway LY = Lancashire and Yorkshire Railway MR = Midland Railway RSO = Rating Surveyor's Office, Derby SM = Sheffield and Midland Railways Joint Committee c1849-1973