Specifically we do not agree on the Old Testament (OT) canon - the list of Books inspired by God. The Catholic OT Canon includes - Tobit, Judith, Wisdom, Sirach, Baruch, I and II Maccabees - plus ...
but that are in the Catholic Bible. In one quote from St. Augustine, he even lists the canon of the Old Testament and it includes the books that are considered apocryphal by Protestantism.