Columbia subject headings:
Metropolitan areas--Canada.
Metropolitan areas--Scandinavia.
Urban-rural migration--Canada.
Urban-rural migration--Scandinavia.
Urbanization--Canada.
Urbanization--Scandinavia.
Harvard subject headings:
Metropolitan areas--Canada.
Metropolitan areas--Scandinavia.
Urban-rural migration--Canada.
Urban-rural migration--Scandinavia.
Urbanization--Canada
Urbanization--Scandinavia.
Princeton subject headings:
Canada--Economic conditions.
Scandinavia--Economic conditions.
Urban-rural migration--Economic aspects--Canada.
Urban-rural migration--Economic aspects--Scandinavia.