Columbia subject headings:
Harvard subject headings:
Canada--Intellectual life.
Grant, George Parkin, 1918-1988
Innis, Harold A. (Harold Adams), 1894-1952
McLuhan, Marshall, 1911-1980
Technology and civilization.
Technology--Social aspects--Canada
Princeton subject headings:
Canada--Intellectual life.
Grant, George Parkin, 1918-1988.
Innis, Harold A. (Harold Adams), 1894-1952.
McLuhan, Marshall, 1911-1980.
Technology and civilization.
Technology--Social aspects--Canada.