Ambedkar, B R Who were the shudras : how they came to be the fourth varna in the Indo Aryan society / B R Ambedkar . - Delhi : Kalpaz Publications , 1946 [reprinted 2017] . - xiv,259 p. : charts ; 22 cm. - Treasure of Ambedkar ; no.5 . Includes index . ISBN: 9789351282716 Subjects--Topical Terms: DALITS Dewey Class. No.: 915.4 / AMB/W