Aiyangar, S. Krishnasvami
University of Calcutta, 1942
Buku Teks
Johnson, B.L.C., author
Barnes & Noble, 1971
Buku Teks
Le May, Reginald
George Allen and Unwin, 1954
Buku Teks
Sastri, K.A. Nilakanta, author
Oxford University Press, 1958
Buku Teks
Raghavan, Srinath, author
Basic Books, a member of the Perseus Books Group, 2016
Buku Teks