Columbia subject headings:
Harvard subject headings:
Commercial art--History--20th century--Congresses.
Commercial products in art--Congresses.
Commercial products--Social aspects--Congresses.
Consumers--Attitudes--Congresses.
Consumption (Economics)--Social aspects--Congresses.
Mass media and business--Congresses.
Product design--Congresses.
Princeton subject headings:
Commercial art--History--20th century--Congresses.
Commercial products in art--Congresses.
Commercial products--Social aspects--Congresses.
Consumers--Attitudes--Congresses.
Consumers--Congresses.
Mass media and business--Congresses.
Product design--Congresses.