- GB 0210 MSISLW
- Fonds
- [19 cent.]-[20 cent.].
NLW MSS 5854-5879 are the manuscripts of William Thomas (Islwyn) (1832-1878), Calvinistic Methodist minister, poet and hymnwriter, and were later acquired by Sir Owen Morgan Edwards (1858-1920), who published Gwaith Barddonol Islwyn (Gwrecsam, 1897) and Gwaith Islwyn in Cyfres y Fil (Llanuwchllyn, 1903).
Islwyn, 1832-1878. Papers of, NLW MSS 5854-5879