1. Biswas P.C. 1945–46.Finger and palmar print of the Indian Juvenile Criminals, the Eastern Anthropologist, 3, 124–127.
2. Chakraborty R. &Malhotra K.C. 1981.Variations in asymmetry and inter digital diversity for three ridge count measures among the dhangar caste cluster of Maharashtra, India J. Hum. Evol. 10, 503–509.
3. Cummins H. &Midlo C. 1976.Finger prints, palms and soles. An introduction of Dermatoglyphics, Research Publishing Co., Inc. South Berlin.
4. Dikshitulu Y.S., T.A. Jose &Lala Prasad, 1984.Variation of ridge counts, patterns and toe configuraions in different selected populations. J. Ind. Acad. Fors. Sc. 23(1), 31–34.
5. Holt S.B. 1968. «The genetic of dermal ridges». Springfield, Illinois: Charles C. Thomas.