Columbia subject headings:
Arras (France)--History--Congresses.
Europe--Foreign relations--Congresses.
Europe--Politics and government--Congresses.
Harvard subject headings:
Arras (France)--History--Congresses.
Arras (France)--History.
Arras (France)--Politics and government.
Europe--Foreign relations--Congresses.
Europe--Foreign relations.
Europe--Politics and government--Congresses.
Princeton subject headings:
Arras (France)--History--Congresses.
Europe--Foreign relations--Congresses.
Europe--Politics and government--Congresses.