Columbia subject headings:
Catholic Church--Doctrines--Congresses.
Christian sociology--Catholic Church--Congresses.
Liberation theology--Congresses.
Harvard subject headings:
Catholic Church--Doctrines--Congresses.
Catholic Church--Missions--Congresses.
Christian sociology--Catholic Church--Congresses.
Evangelistic work--Philosophy--Congresses.
Liberation theology--Congresses.
Princeton subject headings: