A Letter from Mr William Baxter to Dr Hans Sloane, R. S. Secr. Containing an Account of a Book Intituled, Archaeologia Britannica, Giving Some Account Additional to What Has Hitherto Been Publish'd, of the Languages, Histories and Customs of the Original Inhabitants of Great Britain: From Collections and Observations in Travels through Wales, Cornwal, Bas Bretagne, Ireland and Scotland, By Edward Lhuyd, M. A. of Jesus College, Keeper of the Ashmolean Museum in Oxford. Vol. I. Containing; I. A Comparative Etymology; or; Remarks on the Alteration of Languages. 2. A Latin Celtick Dictionary: Or, a Vocabulary of the Original Languages of Britain and Ireland. 3. An Armoric Grammar. 4. An Armoric English Vocabulary. 5. Some Welsh Words Omitted in Dr Davies's Dictionary. 6. A Cornish Grammar. 7. A Catalogue of British Manuscripts. 8. An Essay towards a British Etymologicon. 9. A Brief Introduction to the Irish or Ancient Scotish Language. 10. An Irish-English Dictionary. Oxford, Printed at the Theatre for the Author, MDCCVII. And Delivered at the Ashmolean Museum