An enquiry into the truth of the tradition, concerning the discovery of America by Prince Madog ab Owen Gwynedd, about the year 1170 / by John Williams ..
SCNHRB copy (39088013473376) inscribed in ink at head of half title: Jedh. Morse's.
SCNHRB copy stamped on half title: Bureau of American Ethnology Library 1896; on t.p.: Bureau of American Ethnology Library 1896 [acc. no.] 5829.
SCNHRB copy half bound in red sheepskin and marbled paper boards, title in gilt on spine, marbled endpapers.
SCNHRB copy bound with: Williams, John. Farther observations on the discovery of America. London: Printed by J. Brown, 1792. Bound together subsequent to publication.