Columbia subject headings:
Harvard subject headings:
Albanian language--Congresses.
Albanian language--Social aspects--Congresses.
German language--Social aspects--Congresses.
German language--Study and teaching--Albanian speakers--Congresses.
German language--Technical German--Congresses.
Princeton subject headings:
Albanian language--Congresses.
Albanian language--Social aspects--Congresses.
German language--Social aspects--Congresses.
German language--Study and teaching--Albanian speakers--Congresses.
German language--Technical German--Congresses.