Columbia subject headings:
Harvard subject headings:
Names, Ethnological--Europe, German-speaking--Congresses.
Names, Geographical--Europe--History--Congresses.
Names, Personal--Europe--History--Congresses.
Onomastics--Europe--Congresses.
Toponymy--Congresses.
Princeton subject headings:
Names, Ethnological--Europe, German-speaking--Congresses.
Names, Geographical--Europe--History--Congresses.
Names, Personal--Europe--History--Congresses.
Onomastics--Europe--Congresses.
Toponymy--Congresses.