Columbia subject headings:
Harvard subject headings:
English poetry--History and criticism
Keats, John, 1795-1821--Criticism and interpretation.
Keats, John, 1795-1821--Knowledge--Literature.
Spenser, Edmund, 1552?-1599--Influence--Keats.
Spenser, Edmund, 1552?-1599--Influence.
Princeton subject headings:
Keats, John, 1795-1821.
Spenser, Edmund, 1552?-1599.