Jerome, Priscian and others attributed the work to Cicero (whose De inventione was called Rhetorica prima, the Auctor ad Herennium, Rhetorica secunda), while the claims of L.
Marx (1894); see also De scholiis Rhetorices ad Herennium, by M.
12; Auctor ad Herennium i.
The only extant prose work which may be assigned to the end of this period is the treatise on rhetoric known by the title Ad Herennium (c. 84) a work indicative of the attention bestowed on prose style and rhetorical studies during the last century of the republic, and which may be regarded as a precursor of the oratorical treatises of Cicero and of the work of Quintilian.
The works which were most read were the de Inventione and Topica - though neither of these was quite so popular as the treatise ad Herennium, then supposed to be by Cicero - and among the moral works, the de Officiis, and the Cato Maior.