- NLW MS 9229C.
- File
- 1854-1910
Part of Hobley Griffith Manuscripts,
Drafts and copies of letters, 1854-1910, by W. J. Roberts (Gwilym Cowlyd), relating mainly to his claims for the Gorsedd held on the banks of Llyn Geirionydd.
Gwilym Cowlyd, 1828-1904