Columbia subject headings:
Harvard subject headings:
Catechisms, Italian.
Catholic Church--Catechisms--History and criticism.
Costa, Vittorio Gaetano, active 1778-1798.
Princeton subject headings:
Catechisms, Italian--History.
Catholic Church--Catechisms--Italian--History and criticism.
Costa, Vittorio Gaetano, active 1778-1798--Criticism and interpretation.