Columbia subject headings:
Catholic Church--Doctrines--Congresses.
Christian ethics--Catholic Church--Congresses.
Christian sociology--Catholic Church--Congresses.
Ethics--Congresses.
Families--Religious aspects--Catholic Church--Congresses.
Human rights--Religious aspects--Catholic Church--Congresses.
Messner, Johannes, 1891-1984. Naturrecht--Congresses.
Natural law--Interpretation and construction--Congresses.
Natural law--Religious aspects--Catholic Church--Congresses.
Harvard subject headings:
Catholic Church--Doctrines--Congresses.
Christian ethics--Catholic church--Congresses.
Christian sociology--Catholic Church--Congresses.
Ethics--Congresses
Families--Religious aspects--Catholic Church--Congresses.
Human rights--Religious aspects--Catholic Church--Congresses.
Messner, Johannes, 1891-1984. Naturrecht--Congresses.
Natural law--Interpretation and construction--Congresses.
Natural law--Religious aspects--Catholic church--Congresses.
Princeton subject headings: