Columbia subject headings:
Architecture and society.
Architecture--Economic aspects.
Informal sector (Economics)
Informal sector (Economics)--Atlases.
Marketplaces.
Markets.
Harvard subject headings:
Architecture and society
Architecture--Economic aspects.
Informal sector (Economics)
Informal sector (Economics)--Atlases.
Marketplaces.
Markets
Princeton subject headings:
Marketplaces.
Markets.