Columbia subject headings:
Catholic Church--Clergy.
Catholic Church--Doctrines.
Clergy--Office.
Lutheran Church--Clergy.
Lutheran Church--Doctrines.
Ordination (Liturgy)
Ordination of women--Catholic Church.
Ordination of women--Lutheran Church.
Harvard subject headings:
Catholic Church--Relations--Lutheran Church.
Clergy--Office
Lutheran Church--Relations--Catholic Church
Princeton subject headings: