conventionDeclarationaacr2detailLevelhttp://ica-atom.org/doc/RS-2#5.4personMadog ab Owain Gwynedd, 1150-1180?conventionDeclarationBerriew Bible Society minute book; transcripts by Mary RichardsLlyfr Roger Morris (Llanwrin 1),Madog and the discovery of America; Welsh Indians; etc.,Letters, vol. II,Letters, &c.,'Madoc: An Essay on the Discovery of America ...''Madoc: An Essay on the Discovery of America ..''Madoc: An Essay on the Discovery of America ...'Transcripts,MadocMaterial relating to MadocLecture on Madog ab Owain Gwynedd,