Columbia subject headings:
Harvard subject headings:
German language--Etymology--Names--Congresses.
German language--Foreign elements--Congresses.
German language--Foreign words and phrases--Congresses.
Names, Geographical--Germany--Congresses.
Onomastics--Germany--Congresses.
Princeton subject headings:
German language--Etymology--Names--Congresses.
German language--Foreign elements--Congresses.
German language--Foreign words and phrases--Congresses.
Names, Geographical--Germany--Congresses.
Onomastics--Germany--Congresses.