Special interest attaches to his edition of the Minerva sive de causis linguae latinae (Salamanca: Renaut, 1587) of Francisco Sánchez de las Brozas or El Brocense (ed. C. L. Bauer, 1793–1801), one of the last developments of the study of Latin grammar in its pre-scientific stage, when the phenomena of language were still regarded as for the most part disconnected, conventional or fortuitous.
The importance of the ideas of el Brocense in the reform of classical studies in Spain is, in the mid-16th century, comparable to that of Antonio de Nebrija at the beginning of the century.