
This catechism was created in 1614 by doctor of the church, Cardinal Robert Bellarmine. It is richly illustrated with images to assist learning and memory.
Saint Gregory the Great, Apostle of the Angels, Book 9 of his letters, book 9
presents this [volume] with writings for those reading and pictures for those uneducated ones looking on: because even the ignorant see in these things that which they ought to follow: they, who do not know the letters [i.e., who are illiterate], read in those things [i.e., the pictures].