"Leboff, David and Tim Demuth; No Need to Ask! Early Maps of London's Underground Railways, Middlesex: Capital Transport Publishing, 1999. Cartographic publishing company headed by George Bradshaw, best known for his manuals of London's railway system"@en . . "Bradshaw"@en . . "2015-06-18"^^ . "2015-07-16"^^ . "2015-08-25"^^ . "2015-06-18"^^ . "2015-07-16"^^ . "2015-08-25"^^ . "19th century"@en . . .