- NLW MS 18383E.
- Ffeil
- 1910-1913.
Day book of the Rhiwbach, Bwlch y Slaters, New Welsh, Blaen y Cwm, Maenofferen and Votty and Bowydd slate quarries. (Formerly Borth-y-gest MS 122.) English. 1/2 leather. Purchased from the library of Mr R. E. Jones, Borth-y-gest, 1959-1961.