Columbia subject headings:
Harvard subject headings:
Communists--Italy--History--20th century.
Communists--Soviet Union--Biography
Communists--Soviet Union--History--20th century.
Immigrants--Soviet Union--Biography.
Italians--Soviet Union--Biography.
Italians--Soviet Union--History--20th century.
Italy--Emigration and immigration.
Political persecution--Soviet Union.
Soviet Union--Emigration and immigration.
Soviet Union--History--1925-1953.
Princeton subject headings:
Communists--Italy--History--20th century.
Communists--Soviet Union--History--20th century.
Italians--Soviet Union--History--20th century.