Columbia subject headings:
City planning--Canada--Congresses.
Housing--Canada--Planning--Congresses.
Sustainable development--Canada--Congresses.
Harvard subject headings:
City planning--Canada--Congresses.
Housing--Canada--Congresses.
Urban policy--Canada--Congresses.
Princeton subject headings:
City planning--Canada--Congresses.
Housing--Canada--Congresses.
Urban policy--Canada--Congresses.