Columbia subject headings:
Education--Romania--History--20th century.
German language--Study and teaching.
Germany--Social life and customs.
Harvard subject headings:
Princeton subject headings:
Educational sociology--Romania--History--20th century--Congresses.
German language--Study and teaching (Higher)--Romania--History--20th century--Congresses.
Germany--Relations--Romania--Congresses.
Romania--Relations--Germany--Congresses.