Columbia subject headings:
Harvard subject headings:
Arenberg, House of.
Aristocracy (Social class)--Europe, Central--History.
Aristocracy (Social class)--Europe, Western--History.
Europe, Central--Politics and government
Europe, Western--Politics and government
Habsburg, House of.
Princeton subject headings:
Arenberg, House of.
Aristocracy (Social class)--Europe, Central--History.
Aristocracy (Social class)--Europe, Western--History.
Europe, Central--Politics and government.
Europe, Western--Politics and government.
Habsburg, House of.