Columbia subject headings:
Harvard subject headings:
German language--Acquisition--Congresses.
German language--Influence on Albanian--Congresses.
German language--Study and teaching--Albania--Congresses.
Intercultural communication--Albania--History--20th century--Congresses.
Language and education--Albania--History--20th century--Congresses.
Princeton subject headings:
German language--Study and teaching--Albania--Congresses.