Woodroffe, John
Ganesh & Co,, 1919
Buku Teks
Le May, Reginald
George Allen and Unwin, 1954
Buku Teks
edited by Manjulika Dubey and Bikram Grewal
Hofer Press, 1992
Buku Referensi
Kumar, Nirmal
Bharatiya Vidya Bhavan, 1979
Buku Teks
Rosen, George
Free of Glencoe, 1962
Buku Teks