Langford, P. The Eighteenth Century (1688 - 1789): Paul Langford. The Oxford illustrated history of Britain.(1989).

Langford, Paul. "The Eighteenth Century (1688 - 1789): Paul Langford." The Oxford Illustrated History of Britain.(1989) .

Langford, Paul. "The Eighteenth Century (1688 - 1789): Paul Langford." The Oxford Illustrated History of Britain.(1989), .