Based on photography; with explanatory text by V. R. Chitra and T. N. Srinivasan ... and foreword by Sir R. K. Shanmukham Chettiar ... Published under the special authority of His Highness the Maharajah of Cochin, 3 v. : 40 pl., [ Bombay, New Book Co.; Kyoto, Printed by Benrido,1940 ],