↑War in Ancient India, 1944, p 178, V. R. Ramachandra Dikshitar - Military art and science.
↑The Indian Historical Quarterly, 1963, p 103; The Achaemenids in India, 1950, p 47, Sudhakar Chattopadhyaya; Poona Orientalist: A Quarterly Journal Devoted to Oriental Studies, 1945, P i, (edi) Har Dutt Sharma; The Poona Orientalist, 1936, p 13, Sanskrit philology