Columbia subject headings:
Harvard subject headings:
Liberalism--Italy--History--18th century.
Liberalism--Italy--History--19th century.
Liberalism--Italy--History--20th century
Liberalism--South Africa--History--18th century.
Liberalism--South Africa--History--19th century.
Liberalism--South Africa--History--20th century.
Princeton subject headings:
Liberalism--Italy--History--18th century.
Liberalism--Italy--History--19th century.
Liberalism--Italy--History--20th century.
Liberalism--South Africa--History--18th century.
Liberalism--South Africa--History--19th century.
Liberalism--South Africa--History--20th century.