Columbia subject headings:
Aesthetics, Modern--18th century.
Art--Philosophy--History--18th century.
Harvard subject headings:
Aesthetics, Modern--18th century.
Art--18th century--Themes, motives.
Art--Philosophy--History--18th century.
Horror in art.
Princeton subject headings:
Aesthetics, Modern--18th century.
Art--Philosophy--History--18th century.