Columbia subject headings:
Birds in literature.
Birds--Symbolic aspects.
Éluard, Paul, 1895-1952--Criticism and interpretation.
Harvard subject headings:
Birds in literature.
Eluard, Paul, 1895-1952--Criticism and interpretation.
Eluard, Paul, 1895-1952--Themes, motives.
Princeton subject headings:
Birds in literature.
Éluard, Paul, 1895-1952--Criticism and interpretation.