Palmer, Norman D.
The Indian political system / Norman D. Palmer
Houghton Mifflin, 1961
 Buku Teks
Palmer, Norman D.
The Indian political system / Norman D. Palmer.
Houghton Mifflin, 1971
 Buku Teks
Sharma, Ram Sharan
Indian feudalism : C. A. D. 300-1200
Macmillan, 1980
 Buku Teks SO
British paramountcy and Indian renaissance part 1 / edited by R. C. Majumdar, A. K. Majumdar, D. K. Ghose
Bharatiya Vidya Bhavan, 1963
 Buku Teks SO
Rawlinson, H.G.
A concise history of the Indian people
Oxford University Press, 1950
 Buku Referensi