those pontifical books that contained prayer formularies or lists of deity names as a reference for accurate invocations. Granius dedicated this work to Caesar, as his contemporary Varro did his Antiquitates Divinae. The title of the book is taken from a citation in the 3rd-century grammarian Censorinus. Macrobius cites him jointly with Varro as an authority on a religious point.

Granius was used as a source on ancient Roman religion