Freeman, Rich; Parpola, Marjatta (April 2004). "Kerala Brahmins in Transition: A Study of a Namputiri Family". Journal of the American Oriental Society. 124 (2): 385. doi:10.2307/4132247. JSTOR4132247.
Renfrew, Colin (April 1991), "The Coming of the Aryans to Iran and India and the Cultural and Ethnic Identity of the Dāsas by Asko Parpola (Book review)", Journal of the Royal Asiatic Society, Third Series, 1 (1): 106–109, doi:10.1017/S1356186300000080, JSTOR25182273, S2CID163941557
Freeman, Rich; Parpola, Marjatta (April 2004). "Kerala Brahmins in Transition: A Study of a Namputiri Family". Journal of the American Oriental Society. 124 (2): 385. doi:10.2307/4132247. JSTOR4132247.
Renfrew, Colin (April 1991), "The Coming of the Aryans to Iran and India and the Cultural and Ethnic Identity of the Dāsas by Asko Parpola (Book review)", Journal of the Royal Asiatic Society, Third Series, 1 (1): 106–109, doi:10.1017/S1356186300000080, JSTOR25182273, S2CID163941557
Renfrew, Colin (April 1991), "The Coming of the Aryans to Iran and India and the Cultural and Ethnic Identity of the Dāsas by Asko Parpola (Book review)", Journal of the Royal Asiatic Society, Third Series, 1 (1): 106–109, doi:10.1017/S1356186300000080, JSTOR25182273, S2CID163941557