Columbia subject headings:
Diplomatic etiquette--Japan--History--19th century.
Europe--Relations--Japan.
Japan--Relations--Europe.
Japan--Relations--United States.
United States--Relations--Japan.
Harvard subject headings:
Diplomatic etiquette--Japan--History--19th century.
Japan--Relations--Europe.
Japan--Relations--United States.
Princeton subject headings:
Diplomatic etiquette--Japan--History--19th century.
Japan--Relations--Europe.
Japan--Relations--United States.