Columbia subject headings:
Harvard subject headings:
Criticism--Canada--History--20th century--Congresses.
Frye, Northrop--Congresses.
Literature--History and criticism--Theory, etc.--Congresses
Princeton subject headings:
Criticism--Canada--History--20th century--Congresses.
Frye, Northrop--Congresses.
Literature--History and criticism--Theory, etc.--Congresses.