Columbia subject headings:
Delhi (India)--History.
Delhi (India)--Pictorial works.
New Delhi (India)--History.
New Delhi (India)--Pictorial works.
Harvard subject headings:
Delhi (India)--History.
Delhi (India)--Pictorial works.
New Delhi (India)--History.
New Delhi (India)--Pictorial works.
Princeton subject headings:
Delhi (India)--History.
New Delhi (India)--History.