Columbia subject headings:
Harvard subject headings:
Canada--Economic conditions--1945---Congresses.
Technological innovations--Economic aspects--Canada--Congresses.
Technological unemployment--Canada--Congresses.
Technology and state--Canada--Congresses.
Princeton subject headings:
Technological innovations--Economic aspects--Canada--Congresses.
Technological innovations--Social aspects--Canada--Congresses.
Technological unemployment--Canada--Congresses.