The bulk of the Atheneo is in the form of a prose treatise, much in the style of Baltasar Gracián, and is divided into 14 chapters called "eminèncias."

Protagoras' prose treatise about the gods began "Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be.

He composed dedicatory and purificatory hymns and prose treatises, and oracular responses.

His prose treatise, Muqaddama-e-Shair-o-Shairi, is a pioneering work of literary criticism.

The Parson's Tale is a prose treatise on virtuous living.

About 1519 he presented Cardinal Wolsey with a verse and a prose treatise, with a dedication requesting patronage.

Many other short Latin poems from a thirteenth-century manuscript are attributed to him, along with a prose treatise, Contra Curiales et Officinales Clericos.

His Cancionero is preceded by a prose treatise (Arte de trobar) on the condition of the poetic art in Spain.

De Fato et Fortuna, a prose philosophical treatise on fate and fortune, serves as an overview of his early thought and undergirds much of his later poetry.

His prose treatises are more useful to students of manners than the similar lucubrations of Poggio Bracciolini.