Columbia subject headings:
Harvard subject headings:
Meuse River Region--History--Congresses.
Names, Personal--Dutch--Congresses.
Names, Personal--French--Congresses.
Names, Personal--German--Congresses.
Names, Personal--Luxembourg--Congresses.
Rhine River Region--History--Congresses.
Princeton subject headings:
Meuse River Region--History.
Names, Personal--Dutch.
Names, Personal--French.
Names, Personal--German.
Names, Personal--Luxembourg.
Rhine River Region--History.