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Published online by Cambridge University Press: 01 March 2010
1 The reviewer acknowledges material from Professor Melville Richards' place-name research archive deposited at the University of Wales Bangor, accessed through the Archif Melville Richards database (AMR), a project funded by grants from the University of Wales Board of Celtic Studies and the Arts and Humanities Research Board.(http://www.e-gymraeg.co.uk/enwaulleoedd/amr/)