Columbia subject headings:
Iron Pillar (Delhi, India)
Islamic architecture--India--Delhi.
Kutb Minar (Delhi, India)
New Delhi (India)--Antiquities.
Harvard subject headings:
Islamic architecture--India--Delhi.
Kutb Minar (India, Delhi)
Monuments--India--Delhi--History.
Princeton subject headings:
Iron Pillar (Delhi, India)
Islamic architecture--India--Delhi.
Kutb Minar (Delhi, India)
New Delhi (India)--Antiquities.