Columbia subject headings:
De Viti de Marco, Antonio, 1858-1943--Political and social views.
Italy--Politics and government--1870-1914.
Italy--Politics and government--1914-1922.
Harvard subject headings:
De Viti de Marco, Antonio, 1858-1943--Political and social views.
Italy--Politics and government--1870-1914.
Italy--Politics and government--1914-1922.
Princeton subject headings:
De Viti de Marco, Antonio, 1858-1943.
Economists--Italy--Biography.