Dissertation "Bishop Humphrey Humphreys (1648-1712) - A study of the literary and antiquarian movements in Wales in the XVIIth and early XVIIIth centuries." by the Revd E. G. Wright, vicar of St. David's Bangor, for which he was awarded the degree of M.A. in Celtic by the University of Liverpool

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Another catalogue description can be found here https://archiveshub.jisc.ac.uk/data/gb222-bmssthes