Columbia subject headings:
Immanence (Philosophy) in literature.
Lyric poetry--20th century--History and criticism.
Montale, Eugenio, 1896-1981--Criticism and interpretation.
Pessoa, Fernando, 1888-1935--Criticism and interpretation.
Valéry, Paul, 1871-1945--Criticism and interpretation.
Harvard subject headings:
Montale, Eugenio, 1896-1981--Criticism and interpretation.
Pessoa, Fernando, 1888-1935--Criticism and interpretation.
Poetry, Modern--20th century--History and criticism
Valéry, Paul, 1871-1945--Criticism and interpretation.
Princeton subject headings:
Montale, Eugenio, 1896-1981--Criticism and interpretation.
Pessoa, Fernando, 1888-1935--Criticism and interpretation.
Poetry--20th century--History and criticism.
Valéry, Paul, 1871-1945--Criticism and interpretation.