- 'Alaidarwaza
- Southern gateway of the Quwwat ul-Islam/Qubbat ul-Islam mosque at Delhi built by 'Ala al-Din Khalji (1296-1316). It is the earliest surviving building of the Delhi sultans that displays a true arch and semicircular dome. It is also noted for its stonework and arabesque decoration.
Historical dictionary of Medieval India. Iqtidar Alam Khan. 2011.