Columbia subject headings:
Léopold II, King of the Belgians, 1835-1909.
Ostend (Belgium)--Buildings, structures, etc.
Ostend (Belgium)--History.
Harvard subject headings:
Architecture, Modern--19th century--Belgium--Exhibitions.
Architecture, Modern--20th century--Belgium--Exhibitions.
City planning--Belgium--Exhibitions.
Léopold II, King of the Belgians, 1835-1909--Exhibitions.
Princeton subject headings:
Architecture, Modern--19th century--Belgium--Exhibitions.
Architecture, Modern--20th century--Belgium--Exhibitions.
City planning--Belgium--Exhibitions.
Léopold II, King of the Belgians, 1835-1909--Exhibitions.