Columbia subject headings:
Art auctions--Belgium--History--19th century--Exhibitions.
Art, Belgian--19th century--Exhibitions.
Art--Belgium--Marketing--History--19th century--Exhibitions.
Harvard subject headings:
Art auctions--Belgium--History--19th century--Exhibitions.
Art, Belgian--19th century--Exhibitions
Princeton subject headings:
Art auctions--Belgium--History--19th century--Exhibitions.
Art, Belgian--19th century--Exhibitions.