Mona Antiqua Restaurata
An Archæological Discourse on the Antiquities, Natural and Historical, of the Isle of Anglesey, the Ancient Seat of the Druids. In Two Essays. With an Appendix, Containing a Comparative Table of Primitive Words, and the Derivatives of Them in Several of the Tongues of Europe; with Remarks Upon Them. Together with Some Letters, and Three Catalogues