London
HALLIDAY, Stephen
Underground to Everywhere - London's Underground Railway in the Life of the Capital
HARRIS, Cyril M.
What's in a name? - Origins of Station Names on the London Underground
HAWKINS, Chris & REEVE, George
Great Western Railway Engine Sheds - London Division
Survey of GWR London Division sheds covering Old Oak, Southall, Slough, Reading, Didcot and Oxford. A substantial volume providing a detailed history and description of each shed supported by typical allocations, photographs and diagrams.