Columbia subject headings:
Architecture, Ancient--Iraq--Seleucia on the Tigris (Extinct city)
Excavations (Archaeology)--Iraq.
Seleucia on the Tigris (Extinct city)
Harvard subject headings:
Architecture, Ancient--Iraq--Seleucia on the Tigris.
Architecture, Ancient.
Excavations (Archaeology)--Iraq
Seleucia on the Tigris (Extinct city)
Princeton subject headings:
Excavations (Archaeology)--Iraq--Seleucia on the Tigris (Extinct city).
Iraq--Antiquities.
Seleucia on the Tigris (Extinct city)