Columbia subject headings:
Harvard subject headings:
Europe--History--1789-1900.
Europe--History--1871-1918.
Monarchy--Europe--History--19th century.
Monarchy--Europe--History--20th century.
Restorations, Political.
Princeton subject headings:
Europe--History--1789-1900.
Europe--History--1871-1918.
Monarchy--Europe--History--19th century.
Monarchy--Europe--History--20th century.
Restorations, Political.