Foxell, Clive (1996). Chesham Shuttle: The Story of a Metropolitan Branch Line (2nd ed.). Clive Foxell. ISBN 0-9529184-0-4.
Goudie, Frank (1990). Metropolitan Steam Locomotives. Capital Transport. ISBN 978-1-85414-118-7.
Gourvish, Terry (2006). The Official History of Britain and the Channel Tunnel. Routledge. ISBN 978-0-415-39183-2.
Green, Oliver (1987). The London Underground: An illustrated history. Ian Allan. ISBN 0-7110-1720-4.
Green, Oliver, ed. (2004). Metro-Land (British Empire Exhibition 1924 reprinted ed.). Southbank Publishing. ISBN 1-904915-00-0. Retrieved 22 April 2012.
Horne, Mike (2003). The Metropolitan Line. Capital Transport. ISBN 1-85414-275-5.
Horne, Mike (2006). The District Line. Capital Transport. ISBN 1-85414-292-5.
Jackson, Alan (1986). London's Metropolitan Railway. David & Charles. ISBN 0-7153-8839-8.
Lee, Charles E. (1956). The Metropolitan District Railway. The Oakwood Press. ASIN B0000CJGHS.
Rose, Douglas (December 2007) [1980]. The London Underground: A Diagrammatic History (8th ed.). Capital Transport. ISBN 978-1-85414-315-0.
Rowley, Trevor (2006). The English landscape in the twentieth century. Hambledon Continuum. ISBN 1-85285-388-3.
Simpson, Bill (2003). A History of the Metropolitan Railway. Volume 1: The Circle and Extended Lines to Rickmansworth. Lamplight Publications. ISBN 1-899246-07-X.
Snowdon, James R. (2001). Metropolitan Railway Rolling Stock. Didcot: Wild Swan. ISBN 1-874103-66-6.
Walford, Edward (1878). New and Old London: Volume 5. British History Online. Retrieved 3 July 2012.
Wolmar, Christian (2004). The Subterranean Railway: how the London Underground was built and how it changed the city forever. Atlantic. ISBN 1-84354-023-1.
Railway Clerks' Association (1922). The Reorganisation of British Railways: The Railways Act, 1921 (3rd ed.). Gray's Inn Press.