- NLW MS 9493B.
- File
- 1849-1925.
Letters mainly addressed to H. Cernyw Williams by Elias H. Jones, Llangernyw, 1905, Henry Jones, Glasgow, 1897-1921, Charles Davies, Liverpool and Cardiff, 1883-1925, Thomas Charles Edwards, Aberystwyth and Bala, 1886-1895, C. H. Spurgeon, 1887-1888, and Owen Thomas, Newtown (to John Williams at Pwllheli), 1849.