(en) Andrew Everett, Visionary Pragmatist: Sir Vincent Raven: North Eastern Railway Locomotive Engineer, The History Press, (ISBN978-0-7509-5681-9, lire en ligne)
(en) Joseph Albert Pease Baron Gainford, A Liberal Chronicle in Peace and War: Journals and Papers of J. A. Pease, 1st Lord Gainford, 1911-1915, Oxford University Press, (ISBN978-0-19-288705-4, lire en ligne)
(en) C. Cook, P. Jones, J. Sinclair et Jeffrey Weeks, Sources in British Political History 1900–1951: Volume 4: A Guide to the Private Papers of Members of Parliament: L–Z, Springer, (ISBN978-1-349-15762-4, lire en ligne)