Columbia subject headings:
City and town life--Finland--Helsinki.
City planning--Social aspects--Finland--Helsinki.
Sustainable urban development--Social aspects--Finland--Helsinki.
Harvard subject headings:
City and town life--Finland--Helsinki.
City planning--Finland--Helsinki--Social aspects.
Sustainable urban development--Finland--Helsinki--Social aspects.
Princeton subject headings:
City and town life--Finland--Helsinki.
City planning--Social aspects--Finland--Helsinki.
Sustainable urban development--Social aspects--Finland--Helsinki.