- 1Notebook of John Urpeth Rastrick (RAST)
18 September 1829 - 19 August 1833, fonds - 2Notes on Timothy Hackworth, Richard Trevithick, George Stephenson and Robert Hawthorne (TREVF/3/36)
1812-1877, item - 3Article from The Engineer Titled Timothy Hackworth and the Locomotive by Robert Young (TREVF/5/38)
3 March 1922, item