Ceramic reference books relating to early 19th Century porcelain, to include Jones ' Swansea Porcelain' Wilstead /Morris 'Thomas Baxter', Gray 'Welsh Ceramics in Context' Part 1 and 2, Hyland 'The Herculaneum Pottery' Messenger 'Coalport' Lockett and Godden 'Davenport' and six others, (13)