Columbia subject headings:
Catholic Church--Doctrines.
Christian sociology--Catholic Church.
Economics--History--20th century.
Economics--Religious aspects--Catholic Church.
Harvard subject headings:
Catholic Church--Doctrines.
Christian sociology--Catholic Church.
Economics--History--20th century
Economics--Religious aspects--Catholic Church
Princeton subject headings:
Catholic Church--Bishops--Political and social views--Congresses.
Catholic Church--Doctrines--Congresses.
Christian ethics--Catholic authors--Congresses.
Christian sociology--Catholic Church--Congresses.
Economics--History--20th century--Congresses.
Economics--Religious aspects--Catholic Church--Congresses.
Social justice--Congresses.