Columbia subject headings:
Catholic Church--Doctrines--History--20th century.
Catholic Church--El Salvador--History--20th century.
Christian sociology--Catholic Church.
El Salvador--Church history--20th century.
Liberation theology.
Romero, Óscar A. (Óscar Arnulfo), Saint, 1917-1980.
Harvard subject headings:
Catholic Church--Doctrines--History--20th century.
Catholic Church--El Salvador--History--20th century.
Christian sociology--Catholic Church.
El Salvador--Church history--20th century.
Liberation theology.
Romero, Óscar A. (Óscar Arnulfo), Saint, 1917-1980
Princeton subject headings: