Family of Napoleon I Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
Studies of dwellings, farmers, and birds of prey Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Two studies of tethered bird of prey Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
