Columbia subject headings:
Harvard subject headings:
Cultural pluralism--Europe, Eastern--History--19th century.
Europe, Eastern--Languages--History--19th century.
Europe, Northern--Languages--Political aspects--Congresses.
Europe, Northern--Languages--Social aspects--Congresses.
Language and culture--Europe, Northern--Congresses.
Language and languages--Political aspects--Congresses
Language and languages--Variation--History--19th century.
Language policy--Europe, Eastern--History--19th century.
Nationalism--Europe, Northern--Congresses.
Sociolinguistics--Europe, Northern--Congresses.
Princeton subject headings:
Europe, Northern--Languages--Political aspects--Congresses.
Europe, Northern--Languages--Social aspects--Congresses.
Language and culture--Europe, Northern--Congresses.
Language and languages--Political aspects--Europe, Northern--Congresses.
Nationalism--Europe, Northern--Congresses.
Sociolinguistics--Europe, Northern--Congresses.