Columbia subject headings:
Cartography--Political aspects.
Cyberspace--Political aspects.
Cyberspace--Social aspects.
Geographic information systems--Political aspects.
Information society.
Internet--Political aspects.
Harvard subject headings:
Cartography--Political aspects.
Cyberspace--Political aspects.
Cyberspace--Social aspects
Geographic information systems--Political aspects.
Information society.
Internet--Political aspects
Princeton subject headings:
Cyberspace--Philosophy.