William John Stevens, sied datws, Fferm Llannant, Abertawe, 1980au Math Eitemau Uwchlwytho gan Swansea Rural Development Partnership
Cynhaeaf tatws, Fferm Llannant, Abertawe, 1980au Math Eitemau Uwchlwytho gan Swansea Rural Development Partnership
Gwiriadau ansawdd tatws, fferm Llannant, Abertawe, 1960au Math Eitemau Uwchlwytho gan Swansea Rural Development Partnership
William John Stevens a phobl leol, cynhaeaf tatws, c1970/1972 Math Eitemau Uwchlwytho gan Swansea Rural Development Partnership
