Columbia subject headings:
Catholic Church--Catechisms--History and criticism.
Catholic Church. Irish catechism.
Harvard subject headings:
Catholic Church--Catechisms--History and criticism.
Catholic Church--Catechisms--History.
Catholic Church--Catechisms--Irish.
Catholic Church--Creeds--History.
Princeton subject headings:
Catechisms, Irish--History and criticism.
Catholic Church--Ireland--Catechisms--History and criticism.