Columbia subject headings:
Fortification--India--Gwalior (Princely State)--History.
Gwalior (India : District)--History.
Historic buildings--India--Gwalior (Princely State)
Harvard subject headings:
Fortification--India--Gwalior (Princely State)--History.
Fortification--India--Gwalior.
Gwalior (India)--Antiquities.
Gwalior (India)--History.
Gwalior (Princely State)--History.
Gwalior Fort (Gwalior, India)
Historic buildings--India--Gwalior (Princely State)
Princeton subject headings: