Columbia subject headings:
Harvard subject headings:
Architecture, Assyro-Babylonian.
Iraq--Antiquities.
Niches (Architecture)--Iraq.
Niches (Architecture)--Syria.
Syria--Antiquities.
Princeton subject headings:
Architecture, Ancient--Iraq.
Architecture, Ancient--Middle East.
Architecture, Ancient--Syria.
Architecture, Assyro-Babylonian.
Brick walls.
Iraq--Antiquities.
Niches (Architecture)--Iraq.
Niches (Architecture)--Syria.
Syria--Antiquities.