The foundation of Christian religion - gathered into six principles, by Mr. William Perkins. Translated into Welsh. Whereto also is added the Welsh alphabet, for the instruction of the unlearned in that language. By E.R. Sail crefydd gristnogawl wedi ei rhannu yn chewch o rannau new Wyddorion, o waith W.P. Wedi ei gyfiaethu. Ir iath gymráec at osod allan. Drwy ddymuniad E.R

Förlag	År	Ort	Om boken	ISBN
Printed by Richard Constable, for George Calvert, and are to be sold at his shop at the sign of the Half-Moon in Waltings-street	1649	England, London	[2], 4, 3-56 sidor.