Columbia subject headings:
Harvard subject headings:
Regionalism--Germany--Westphalia--Congresses.
Space--Social aspects--Germany--Westphalia--Congresses.
Westphalia (Germany)--Historiography--Congresses.
Westphalia (Germany)--History, Local--Congresses.
Westphalia (Germany)--History--Congresses.
Westphalia (Germany)--Social conditions--Congresses.
Princeton subject headings:
Regionalism--Germany--Westphalia--Congresses.
Space--Social aspects--Germany--Westphalia--Congresses.
Westphalia (Germany)--History, Local--Congresses.
Westphalia (Germany)--History--Congresses.
Westphalia (Germany)--Social conditions--Congresses.