1. Dutta, P C. 1966. A review of the inherited defective colour vision variability and selection relaxation among Indians. Acta Genet, Basel, 16, 327–339.
2. Hakim, S M. 1971. Blood and serum groups and other genetical characters of some endogamous muslim groups. Unpublished Ph.D. thesis, Bombay University.
3. Ishihara, S. 1968. Tests for Colour-blindness:Kanehara Shuppan Co., Ltd., Tokyo, Japan.
4. Malhotra, K C. 1967. The incidence of inherited defects of colour-vision in eight endo-gamous groups of Maharashtrian Brahmins. A Ge Me Ge (Rome), 16, 417–421.
5. Malhotra, K C. 1972. Nandiwallas: Preliminary observations on a nomadic caste in Maharashtra. Indian Statistical Institute, Technical Report series, No. 14/72, 1–27.