Columbia subject headings:
Catholic Church--Doctrines--Early works to 1800.
Christian ethics--Catholic authors--Early works to 1800.
Confessors--Handbooks, manuals, etc.--Early works to 1800.
Harvard subject headings:
Princeton subject headings:
Catholic Church--Doctrines--Early works to 1800.
Christian ethics--Catholic authors--Early works to 1800.
Confessors--Handbooks, manuals, etc.--Early works to 1800.