Columbia subject headings:
Canada--History--1914-1945.
World War, 1939-1945--Canada.
Harvard subject headings:
Canada--History--1914-1945.
World War, 1939-1945--Canada.
Princeton subject headings:
Canada--History--1914-1945--Historiography.
Canada--History--1914-1945.
World War, 1939-1945--Canada--Historiography.
World War, 1939-1945--Canada.