Columbia subject headings:
Canada--Politics and government--1914-
Journalists--Canada--Biography.
O'Leary, Grattan, 1888-1976.
Politicians--Canada--Biography.
Harvard subject headings:
Canada--Politics and government--1914-
Journalists--Canada--Biography
O'Leary, Grattan, 1888-1976
Politicians--Canada--Biography
Princeton subject headings:
Canada--Politics and government--1914-1945.
Canada--Politics and government--1945-1980.
Journalists--Canada--Biography.
O'Leary, Grattan, 1888-1976.
Politicians--Canada--Biography.