John Coles, son of the founder of the Cambrian Pottery, goes into partnership with entrepreneur George Haynes, resulting in the expansion of the business.
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^Dean Powell (15 September 2012). Dr William Price: Wales's First Radical. Amberley Publishing Limited. pp. 64–. ISBN 978-1-4456-2052-7.
^"MACKWORTH, Herbert (1737-91), of Gnoll, Glam". History of Parliament online. Retrieved 23 October 2018.
^Tim Taylor (2005). The Time Team Guide to the Archaeological Sites of Britain & Ireland. Channel 4. pp. 106–. ISBN 978-1-905026-01-2.
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^ abEnoch Robert G. Salisbury (1873). A catalogue of Cambric books at Glan-aber, Chester, A.D. 1500-1799, not mentioned in Rowland's 'Cambrian bibliography' [by E.R.G. Salisbury]. p. 62.
^Marion Loffler (15 October 2014). Political Pamphlets and Sermons from Wales 1790-1806. University of Wales Press. pp. 37–. ISBN 978-1-78316-102-7.
^Greenwood, Martin. "Gibson, John". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/10625. (Subscription or UK public library membership required.)