Columbia subject headings:
Ferguson, George Howard, 1870-1946.
Ontario--Politics and government.
Prime ministers--Ontario--Biography.
Harvard subject headings:
Ferguson, George Howard, 1870-1946.
Ontario--Politics and government.
Prime ministers--Ontario--Biography.
Princeton subject headings:
Ferguson, George Howard, 1870-1946.
Ontario--Politics and government.
Prime ministers--Ontario--Biography.