Columbia subject headings:
Butterflies in literature.
Butterflies.
Gozzano, Guido, 1883-1916--Criticism and interpretation.
Gozzano, Guido, 1883-1916--Knowledge and learning.
Harvard subject headings:
Butterflies in literature.
Gozzano, Guido, 1883-1916--Criticism and interpretation.
Gozzano, Guido, 1883-1916--Knowledge--Butterflies.
Princeton subject headings:
Gozzano, Guido, 1883-1916--Criticism and interpretation.