Columbia subject headings:
Art nouveau (Architecture)--Belgium.
Decoration and ornament--Belgium--Art nouveau.
Velde, Henry van de, 1863-1957--Criticism and interpretation.
Harvard subject headings:
Architects--Belgium.
Architecture, Modern--21st century
Velde, Henry van de, 1863-1957.
Princeton subject headings:
Art nouveau (Architecture)--Belgium.
Decoration and ornament--Belgium--Art nouveau.
Velde, Henry van de, 1863-1957--Criticism and interpretation.