Columbia subject headings:
Harvard subject headings:
Europe--Politics and government--1815-1871.
Europe--Politics and government--1871-1918.
Mazzini, Giuseppe, 1805-1872--Influence.
Mazzini, Giuseppe, 1805-1872--Political and social views.
Princeton subject headings:
Internationalism.
Mazzini, Giuseppe, 1805-1872--Influence.
World politics.