Abstract The Rhetorica christiana of the Franciscan Diego Valadés is connected with the world of emblematology and artificial memory. The treatise is examined from the standpoint of history and politics. Finally, guidelines are laid down for an exhaustive study of his work with regard to encyclopedism and hieroglyphic writing.

The Rhetorica Christiana of the Franciscan Diego Valadés is connected with the world of emblematology and artificial memory. The treatise is examined from the standpoint of history and politics. Finally, guidelines are laid down for an exhaustive study of his work with regard to encyclopedism and hieroglyphic writing.