Columbia subject headings:
Acquisition of territory--Belgium.
Eupen-Malmedy (Belgium)--History--20th century.
Germany--Annexation to Belgium.
Harvard subject headings:
Acquisition of territory--Belgium.
Eupen-Malmedy (Belgium)--Annexation to Belgium.
Eupen-Malmedy (Belgium)--History--20th century.
Princeton subject headings:
Acquisition of territory--Belgium.
Eupen-Malmedy (Belgium)--History--20th century.
Germany--Annexation to Belgium.