Notes prepared by Sian Bowyer, Paul Joyner and Charles Parry for the Thomas Pennant Exhibition at the National Library of Wales 10 December 1998 - 27 February 1999.
Thanks are also expressed to D M Francis, Lona Mason, Ifor Pugh, Andrew Davies, Lyn Lewis Dafis, Kate Allen, Gareth Lloyd Hughes, Glenwen Jones and Annwen Isaac.