Notes and letters regarding the death of Hedd Wyn, Ychwanegu i'r clipfwrdd BMSS/4903. Ffeil 1917. Rhan oPapers of Rev. R. Peris Williams,
Diary written by the Rev. R. Peris Williams whilst serving as Chaplain in the First World War, Ychwanegu i'r clipfwrdd BMSS/4892. Ffeil 1915-1917. Rhan oPapers of Rev. R. Peris Williams,