Marci Tullii Ciceronis quæstiones Tusculanæ per D. Erasmum Roterodamum acri iudicio restitutæ, emendatæ, & scholijs vt breuissimis, ita doctissimis illustratæ ; accessit index, quæ in hoc opusculo tractantur, scitu dignissimorum, luculentissimus [electronic resource] / Cicero, Marcus Tullius