Sensarma, P.
Naya Prokash, 1977
Buku Teks
Lamb, Beatrice Pitney
Frederick A. Praeger , 1968
Buku Teks
Lamb, Beatrice Pitney
Frederick A. Preager , 1963
Buku Teks
Kuraishi, Mohammad hamid
Government of India Press,, 1951
Buku Teks
Sinha, Narenda Krishna
K. L. Mukhopadhyay, 1965
Buku Teks