Columbia subject headings:
Art, Bulgarian--20th century--Themes, motives.
Bulgarian poetry--20th century--Themes, motives.
Metaphor in art.
Metaphor in literature.
Harvard subject headings:
Art, Bulgarian--20th century--Themes, motives.
Bulgarian poetry--20th century--Themes, motives.
Metaphor in art.
Metaphor in literature.
Princeton subject headings:
Art, Bulgarian--20th century.