Haywood, Russell: Railways, Urban Development and Town Planning in Britain: 1948–2008, s. 306. Ashgate Publishing, 2012. ISBN 978-140-94882-5-5Esikatselu Google Booksissa (viitattu 31.8.2017). (englanniksi)
George, Russell: Footsteps in Summer: Diary of an epic walk of discovery across Britain, s. 212. Troubador Publishing, 2014. ISBN 978-178-46205-4-7Esikatselu Google Booksissa (viitattu 19.9.2017). (englanniksi)