Dyn a diadell : portread o fugail Eryri, John Watkin Jones = One man and his flock : a portrait of a Snowdonia shepherd, John Watkin Jones /
Molden, Jacqui.
Roberts, Esyllt Nest.
Llanrwst : Gwasg Carreg Gwalch,
2008.
Jones, John Watkin.
Shepherds
Sheep dogs