Columbia subject headings:
Candy industry--Canada--History.
Chocolate candy--Canada--History.
Harvard subject headings:
Candy industry--Canada--History.
Chocolate candy--Canada--History.
Chocolate industry--Canada--History.
Confectionery--Canada--History.
Princeton subject headings:
Candy industry--Canada--History.
Chocolate candy--Canada--History.
Chocolate industry--Canada--History.
Confectionery--Canada--History.