Columbia subject headings:
English poetry--European influences--Congresses.
Hill, Geoffrey--Criticism and interpretation--Congresses.
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation--Congresses.
Harvard subject headings:
English poetry--Appreciation--Congresses.
English poetry--European influences--Congresses.
Hill, Geoffrey--Criticism and interpretation--Congresses.
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation--Congresses.
Princeton subject headings:
English poetry--European influences--Congresses.
Hill, Geoffrey--Criticism and interpretation--Congresses.
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation--Congresses.