Lists of princely states of India - Wikipedia

https://en.wikipedia.org/wiki/Lists_of_princely_states_of_India
The following lists of princely states of (British) India have been compiled: List of princely states of British India (alphabetical) · List of princely states of British ...

Princely states and Provinces

adaniel.tripod.com/princely.htm
The British ruled India with two administrative systems. One was Provinces and the other Princely States.

Indian Princely Families and States - Almanach de Gotha

www.almanachdegotha.org/id242.html
History and Register of the Princely Families and States of India.