Columbia subject headings:
Architecture and climate--Arid regions.
Arid regions.
City planning--Arid regions.
Harvard subject headings:
Architecture and climate--Arid regions.
Architecture--Arid regions
Arid regions.
City planning
City planning--Arid regions.
Princeton subject headings:
Architecture and climate--Arid regions.
Arid regions.
City planning--Arid regions.