(页面存档备份,存于互联网档案馆) Druce, Gerald. The South London Line and its Traffic (PDF). The Railway Magazine. September 1953: 621–624, 628 [2024-01-29]. (原始内容存档 (PDF)于2023-11-30)
(PDF)于2009-03-04). London's Forgotten Railway: The Transport Committee's Review of the North London Railway (PDF). Greater London Authority. March 2006