Caldwell, Robert (Bishop) ([1ère éd.] 1856, [2ème éd.] 1875, [3ème éd.] 1913, 1974), A Comparative Grammar of the Dravidian or South-Indian Family of Languages, Third edition, Revised and Edited by J.L. Wyatt and R. Ramakrishna Pillai. [Reprint of the 3rd edition, originally printed by K. Paul, Trench, Trübner & Co., Ltd, London], Oriental Books Reprint Corporation, New Delhi.