- NLW MS 9222E.
- [1701x1933] /
Part of Hobley Griffith Manuscripts,
Miscellaneous papers and fragments from the collections of W. J. Roberts ('Gwilym Cowlyd'), and W[illiam] Hobley, including lists of contents of a manuscript containing Welsh poetry compiled by Lewis Morris; 'Cyfrinach y Beirdd'...
Gwilym Cowlyd, William Hobley and others.