Subramanian, K.R.
Buddhist remain in Andhara and The history of Andhara between 225 & 610 A.D. with a foreword by
Madras Diocesan Press 1932
 Buku Teks
An Analysis of Fertility Differentials Among Caste Groups in Andhra Pradesh, India
Journal of Population, 13 (1) 2007 : 61-90, 2007
 Artikel Jurnal
Thomas, Edward Joseph
The History of Buddhist thought
Routledge & Kegan Paul, 1951
 Buku Teks SO
Boak, Arthur E.R.
A history of Rome to 565 A.D.
Macmillan, 1961
 Buku Teks SO
Kennedy, J.
A history of Malaya A.D. 1400-1959
Macmillan, 1962
 Buku Teks SO