British Library - local literature
References to 'Penllyn'
- Penllyn library
A Catalogue of Books, Prints, and Manuscripts, part of the personal estate of Mrs Emilia Gwinnett, late of Penllyn Castle, to be sold etc.
Author : Emilia Gwinnett
Publisher : London (pp.24) 
Penllyn references at the British Library [Last Updated : 19 Sept 2002 - Gareth Hicks]