Columbia subject headings:
Harvard subject headings:
Germany--Civilization--Congresses.
Germany--Relations--Greece--Congresses.
Greece--Civilization--Congresses.
Greece--Relations--Germany--Congresses.
Language and culture--Germany--Congresses.
Language and culture--Greece--Congresses.
Princeton subject headings:
German literature--20th century--Congresses.
Germany--Civilization--Congresses.
Germany--Relations--Greece--Congresses.
Greece--Relations--Germany--Congresses.
Language and culture--Congresses.
Translating and interpreting--Congresses.