Columbia subject headings:
Book editors--Canada.
Canadian literature--20th century--History and criticism.
Macmillan Company of Canada--History.
Publishers and publishing--Canada.
Harvard subject headings:
Book editors--Canada--Biography.
Canadian literature--20th century--History and criticism
Macmillan Company of Canada--History.
Publishers and publishing--Canada--Biography.
Publishers and publishing--Canada--History--20th century.
Princeton subject headings:
Book editors--Canada--Biography.
Canadian literature--20th century--History and criticism.
Macmillan Company of Canada--History.
Publishers and publishing--Canada--Biography.
Publishers and publishing--Canada--History--20th century.