メトロ・ランド
Horne, Mike (2003). The Metropolitan Line. Capital Transport. ISBN 1-85414-275-5
Jackson, Alan (1986). London's Metropolitan Railway. David & Charles. ISBN 0-7153-8839-8
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