Columbia subject headings:
Architecture.
City planning.
Communal living.
Older people--Dwellings.
Utopias.
Visionary architecture.
Harvard subject headings:
Architecture
City planning
Communal living
Older people--Dwellings.
Utopias
Visionary architecture.
Princeton subject headings:
Architecture.
City planning.
Communal living.
Older people--Dwellings.
Utopias.
Visionary architecture.