Columbia subject headings:
Harvard subject headings:
Language and languages--Study and teaching--Europe--History--Congresses.
Language teachers--Europe--History--Congresses.
Sociolinguistics--Europe--History--Congresses.
Women teachers--Europe--History--Congresses.
Princeton subject headings:
Language and languages--Study and teaching--Europe--History--Congresses.
Language teachers--Europe--History--Congresses.
Sociolinguistics--Europe--History--Congresses.
Women teachers--Europe--History--Congresses.