Gafoor, Khaja Abdul (1955). Social Services in Hyderabad. New Delhi, India, Asia: Citizen Press. pp. 17: The figures of Koli and Rai Koli are included for the first time as the tribe in the C. P. and Berar is shown as an aboriginal tribe though much Hinduised, and it has not previously been classed as aboriginal in Hyderabad. The Hyderabad and Berar Koli inter marry.{{cite book}}: CS1 maint: date and year (link)
Sarkar, Sir Jadunath (1920). Shivaji and His Times. New Delhi, India: Longmans, Green and Company. pp. 221: FATE OF KOLI RAJAHS . ... We may conclude the history of the Koli Rajahs here . ... His son escaped, and joining Dhara Rai Koli ( another dispossessed chief ) took to brigandage, causing considerable loss to Maratha territory.{{cite book}}: CS1 maint: date and year (link)
