Rev. Michael Blain, The Canterbury Association (1848–1852): A Study of Its Members' Connections, Christchurch, Project Canterbury, , 82–83 p. (lire en ligne)
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(en) Sarah Ogilvie, Words of the World: A Global History of the Oxford English Dictionary, Cambridge University Press, , 29, 49 (ISBN9781107021839, lire en ligne)
(en) Sarah Ogilvie, Words of the World: A Global History of the Oxford English Dictionary, Cambridge University Press, , 29 p. (ISBN9781107021839, lire en ligne)
