^Welbourn, Nigel (2008). Lost Lines: Liverpool and the Mersey. Hersham: Ian Allan. p. 4. ISBN978-0-7110-3190-6.
^Hardie, David William Ferguson (1950), A History of the Chemical Industry of Widnes, London: Imperial Chemical Industries Limited, General Chemicals Division, p. 4, ASIN B0007JBZRQ