Columbia subject headings:
Dudek, Louis, 1918-2001--Criticism and interpretation.
Souster, Raymond, 1921-2012--Criticism and interpretation.
Harvard subject headings:
Canada--In literature.
Canadian poetry--20th century--History and criticism
Dudek, Louis, 1918---Criticism and interpretation.
Dudek, Louis, 1918-2001--Criticism and interpretation.
Souster, Raymond, 1921-2012--Criticism and interpretation.
Princeton subject headings: