Columbia subject headings:
Douglas, Norman, 1868-1952--Criticism and interpretation.
English literature--20th century--History and criticism.
Harvard subject headings:
Douglas, Norman, 1868-1952--Criticism and interpretation--Congresses.
English literature--20th century--History and criticism--Congresses
Princeton subject headings:
Douglas, Norman, 1868-1952--Criticism and interpretation.
English literature--20th century--History and criticism.