Columbia subject headings:
Art nouveau (Architecture)--Belgium--Exhibitions.
Decoration and ornament--Belgium--Art nouveau--Exhibitions.
Hankar, Paul, 1859-1901--Exhibitions.
Harvard subject headings:
Art nouveau (Architecture)--Belgium--Exhibitions.
Decoration and ornament--Belgium--Art nouveau--Exhibitions.
Hankar, Paul, 1859-1901--Exhibitions.
Princeton subject headings:
Art nouveau (Architecture)--Belgium--Exhibitions.
Hankar, Paul, 1859-1901--Exhibitions.