Columbia subject headings:
Catholic Church--Ireland--History--Sources--Handbooks, manuals, etc.
Church records and registers--Ireland.
Ireland--History, Local--Sources--Handbooks, manuals, etc.
Northern Ireland--History, Local--Sources--Handbooks, manuals, etc.
Harvard subject headings:
Catholic Church--Ireland--History--Sources--Handbooks, manuals, etc.
Ireland--History, Local--Sources--Handbooks, manuals, etc.
Northern Ireland--History, Local--Sources--Handbooks, manuals, etc.
Princeton subject headings:
Catholic Church--Ireland--History--Sources--Handbooks, manuals, etc.
Ireland--History, Local--Sources--Handbooks, manuals, etc.
Northern Ireland--History, Local--Sources--Handbooks, manuals, etc.