Columbia subject headings:
Harvard subject headings:
German language--Etymology--Names--Congresses.
Names, Geographical--German--Congresses.
Names, Geographical--German--Etymology--Congresses.
Names, Personal--German--Congresses.
Princeton subject headings:
German language--Etymology--Names--Congresses.
Names, Geographical--German--Congresses.
Names, Geographical--German--Etymology--Congresses.
Names, Personal--German--Congresses.