Columbia subject headings:
Harvard subject headings:
Architecture, Modern--19th century--Belgium.
Architecture, Modern--20th century--Belgium.
Art nouveau (Architecture)--Belgium.
Interior decoration--Belgium--History--19th century.
Interior decoration--Belgium--History--20th century.
Princeton subject headings:
Art nouveau (Architecture)--Belgium.
Decoration and ornament, Architectural--Belgium.
Decoration and ornament--Belgium--Art nouveau.
Interior decoration--Belgium.