M. Tulli Ciceronis Tusculanarum disputationum libri quinque - Cicero, Marcus Tullius, 106-43 a.C (impensis Siegr. Lebr. Crusii, 1807)
Vol. 2: "... by the late Thomas Wilson Dougan and Robert Mitchell Henry" (i.e. Book III and Book IV, paragraphs 1-34 by Dougan, the rest by Henry)