Columbia subject headings:
Art, Modern--20th century--Themes, motives--Exhibitions.
Art, Modern--21st century--Themes, motives--Exhibitions.
Emotions in art--Exhibitions.
Happiness in art--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Themes, motives--Exhibitions
Art, Modern--21st century--Themes, motives--Exhibitions
Emotions in art--Exhibitions.
Happiness in art--Exhibitions.
Princeton subject headings:
Art, Modern--20th century--Themes, motives--Exhibitions.
Art, Modern--21st century--Themes, motives--Exhibitions.
Emotions in art--Exhibitions.
Happiness in art--Exhibitions.