Columbia subject headings:
Harvard subject headings:
Altermatt, Urs--Congresses.
Altermatt, Urs.
Europe--History--Congresses.
Europe--History.
Europe--Politics and government--Congresses.
Europe--Religion--Congresses.
Europe--Social conditions--Congresses.
Switzerland--Civilization
Switzerland--Civilization--Congresses.
Princeton subject headings:
Altermatt, Urs--Congresses.
Europe--History--Congresses.
Europe--Politics and government--Congresses.
Europe--Religion--Congresses.
Europe--Social conditions--Congresses.
Switzerland--Civilization--Congresses.