Columbia subject headings:
Catholic Church--Doctrines--History--20th century.
Liberation theology--History of doctrines--20th century.
Love--Religious aspects--Christianity--History of doctrines--20th century.
Segundo, Juan Luis.
Harvard subject headings:
Catholic Church--Doctrines--History--20th century.
Liberation theology--History of doctrines--20th century.
Love--Religious aspects--Catholic Church--History of doctrines--20th century.
Love--Religious aspects--Christianity--History of doctrines--20th century.
Segundo, Juan Luis.
Princeton subject headings: