1. Hadfield C. British Canals, 1969, 4th edn, 54, David & Charles.
2. Hadfield C. British Canals, an Illustrated History, 1974, 5th edn, David & Charles: 247, ch. XII.
3. Hadfield C. British Canals, an Illustrated History, 1974, 5th edn, David & Charles: 299, ch. XV.