Columbia subject headings:
Aesthetics, Modern--18th century.
Art criticism--History--18th century.
Art, Modern--18th century.
Harvard subject headings:
Art, European--18th century
Enlightenment
Facial expression in art
Gaze in art
Princeton subject headings:
Art, European--18th century.
Enlightenment.
Facial expression in art.
Gaze in art.