Archaeologia Cornu-Britannica;: Or, an Essay to Preserve the Ancient Cornish Language; Containing the Rudiments of that Dialect, in a Cornish Grammar and Cornish-English Vocabulary, Compiled from a Variety of Materials which Have Been Inaccessible to All Other Authors. Wherein The British Original of Some Thousand English Words in Common Use is Demonstrated; Together with that of the Proper Names of Most Towns, Parishes, Villages, Mines, and Gentlemen's Seats and Families, in Wales, Cornwall, Devonshire, and Other Parts of England