- NLW MS 9684C.
- Ffeil
- 1847, 1877, 1905, 1909, 1911-1913, 1922-1925.
Rhan oT. Sylvanus Manuscripts,
Letters and postcards by Daniel Davies, Ton, 1911-1913; George Eyre Evans, 1925; Herbert Davies Evans, Highmead, 1905; John Griffith ('Gohebydd'), 1877; Joseph A. Pease, London (concerning the Parliamentary attendances of Vaughan Davies, M.P.), 1909; T. Sylvanus, 1922-1925 (copies); and Thomas S. Williams, Bridgend, 1847.