Columbia subject headings:
Art and society--History--19th century.
Art as an investment.
Art--Collectors and collecting.
Civilization, Modern--19th century.
Harvard subject headings:
Art and society--History--19th century.
Art as an investment.
Art--Collectors and collecting
Civilization, Modern--19th century
Princeton subject headings:
Art and society--History--19th century.
Art as an investment.
Art--Collectors and collecting.
Civilization, Modern--19th century.