Columbia subject headings:
Europe--Politics and government--20th century--Congresses.
Italy, Southern--Economic policy--Congresses.
Nitti, Francesco Saverio, 1868-1953--Knowledge--Europe--Congresses.
Nitti, Francesco Saverio, 1868-1953--Knowledge--Italy, Southern--Congresses.
Harvard subject headings:
Nitti, Francesco Saverio, 1868-1953.
Princeton subject headings:
Nitti, Francesco Saverio, 1868-1953.