Columbia subject headings:
Catholic Church--Doctrines--History--20th century.
Communism and Christianity--Catholic Church--Italy.
Gramsci, Antonio, 1891-1937--Religion.
Religion--History--20th century.
Harvard subject headings:
Catholic Church--Doctrines--History--20th century.
Communism and Catholic Church--Italy.
Gramsci, Antonio, 1891-1937--Religion.
Religion--History--20th century
Princeton subject headings:
Catholic Church--Doctrines--History--20th century.
Communism and Catholic Church--Italy.
Gramsci, Antonio, 1891-1937--Religion.
Religion--History--20th century.