1To John Adams from Samuel Latham Mitchill, 17 August 1791 (Adams Papers)
I beg leave to ask your acceptance of the inclosed packet, for the American Academy of Arts and Sciences. It contains two Volumes, both of which are curious. The one a Welch Dictionary , sent me from Pembroke-Shire, by my friend Dr. Harries, some time ago, and containing the Ancient Language of Britain. Its Use, as a Book of reference for Philologists and Antiquaries, will probably be more...