Columbia subject headings:
Cities and towns--Europe, Central--History--Congresses.
Europe, Central--Ethnic relations--Congresses.
Europe, Central--Religious life and customs--Congresses.
Europe, Central--Social conditions--Congresses.
Marginality, Social--Europe, Central--Congresses.
Harvard subject headings:
Cities and towns--Europe, Central--History--Congresses.
Europe, Central--Ethnic relations--Congresses.
Europe, Central--Religious life and customs--Congresses.
Europe, Central--Social conditions--Congresses.
Marginality, Social--Europe, Central--Congresses.
Princeton subject headings:
Cities and towns--Europe, Central--History--Congresses.
Europe, Central--Ethnic relations--Congresses.
Europe, Central--Religious life and customs--Congresses.
Europe, Central--Social conditions--Congresses.
Marginality, Social--Europe, Central--Congresses.