Retrieved 22 March 2018. ↑ Katharine Fry (I9028), Stanford University, retrieved 2013-02-11 1 2 3 "Elizabeth Fry", Quakers in the World ↑ Hudson Gurney: ODNB article Peter Osborne, ‘Gurney, Hudson (1775–1864)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 ​ ↑ "Elizabeth Fry", The Howard League for Penal Reform Archived 27 March 2013 at the Wayback Machine 1 2 Amanda Phillips, ‘Irving, Lydia (1797–1893)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 20 June 2017 1 2 Elizabeth Fry: Britain's Second Lady on the Five-Pound Note, Dennis Bardens, ISBN 0954197356 ↑ Grovier, Kelly.