Columbia subject headings:
Keats, John, 1795-1821--Criticism and interpretation.
Nature in literature.
Philosophy of nature.
Harvard subject headings:
Keats, John, 1795-1821--Criticism and interpretation.
Nature in literature.
Philosophy of nature.
Princeton subject headings:
Keats, John, 1795-1821--Criticism and interpretation.
Nature in literature.
Philosophy of nature.