Columbia subject headings:
Belgium--Historical geography.
Belgium--History--1830-1914.
Belgium--History--1914-
Dutch language--Political aspects--Belgium.
French language--Political aspects--Belgium.
Language policy--Belgium.
Harvard subject headings:
Belgium--Historical geography.
Belgium--History--1830-1914.
Belgium--History--1914-
Dutch language--Political aspects--Belgium.
French language--Political aspects--Belgium.
Language policy--Belgium.
Princeton subject headings:
Belgium--Historical geography.
Belgium--History--1830-1914.
Belgium--History--1914-
Dutch language--Political aspects--Belgium.
French language--Political aspects--Belgium.
Language policy--Belgium.