Columbia subject headings:
Celts in literature.
Fairies in literature.
Fairy poetry, English--History and criticism.
Folklore in literature.
Folklore--Ireland.
Folklore.
Ireland--In literature.
Mythology, Celtic, in literature.
Yeats, W. B. (William Butler), 1865-1939--Knowledge and learning.
Harvard subject headings:
Celts in literature.
Fairies in literature
Fairy poetry, English--History and criticism.
Folklore in literature.
Folklore--Ireland
Ireland--In literature.
Mythology, Celtic, in literature.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Folklore, mythology.
Princeton subject headings:
Celts in literature.
Fairies in literature.
Fairy poetry, English--History and criticism.
Folklore in literature.
Folklore--Ireland.
Ireland--In literature.
Mythology, Celtic, in literature.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Folklore, mythology.