Columbia subject headings:
Harvard subject headings:
Arnaldus, de Villanova, -1311.
Catholic Church--Apologetic works.
Catholic Church--Doctrines.
Princeton subject headings:
Arnaldus, de Villanova, d. 1311. De helemosina et sacrificio.
Arnaldus, de Villanova, d. 1311. Dyalogus de elementis catholice fideí.