In your letter of Oct. 9. you were so kind as to inclose me a catalogue in which I observe mentioned a Dion Cassius 4 vols 16o Greek 6.D. will you be so good as to note to me whether it has a translation or only the Greek text, whether notes, and by whom, as well as the place and date of it’s publication. am I right in understanding the figures 16o to mean ‘in sixteens’ the English term? Accept the assurance of my esteem & respect.

Th: Jefferson