Columbia subject headings:
Harvard subject headings:
British--France--Opale Coast--History--19th century--Exhibitions.
France--Foreign relations--Great Britain.
Great Britain--Foreign public opinion, French.
Great Britain--Foreign relations--France.
Opale Coast (France)--History--19th century--Exhibitions.
Opale Coast (France)--Social life and customs--Exhibitions.
Princeton subject headings:
British--France--Opale Coast--History--19th century--Exhibitions.
France--Foreign relations--Great Britain.
Great Britain--Foreign public opinion, French.
Great Britain--Foreign relations--France.
Opale Coast (France)--History--19th century--Exhibitions.
Opale Coast (France)--Social life and customs--Exhibitions.