Sen, Sukomal. Working class of India : history of emargence and movement 1830-1970 / Sukomal Sen. - 2nd rev ed / . - Kolkata : K P Bagchi , 1977. - 466p. : ill.,figs.,tables ; 21cm CD . NULL ISBN: NULL (Pbk) Subjects--Index Terms: WORKING CLASS-INDIA Dewey Class. No.: 305.5620954 / SEN/W