London history over 2000 years
All the London railway stations :
Underground lines : Central, Piccadilly
AccessAble Access Guide :
Accessibility friendly : Holborn is not accessible to wheelchair users due to stairs and / or escalators between the platforms and street level. This appears to be the case in swapping Underground lines also.
General description :
London pub history directory.
Roman London - the London city walls
Excavations of the London Wall