Columbia subject headings:
Communism--Italy--History--20th century.
Communists--Italy--Biography.
Tasca, Angelo, 1892-1960.
Harvard subject headings:
Communism--Italy--History--20th century
Communists--Italy--Biography
Tasca, Angelo, 1892-1960.
Princeton subject headings:
Communism--Italy--History--20th century.
Communists--Italy--Biography.
Tasca, Angelo, 1892-1960.