The main types and causes of discrimination :  memorandum submitted by the Secretary-General 

 - New York :  United Nations, Commission on Human Rights, Sub-commission on Prevention of Discrimination and Protection of Minorities,  1949 
 - iv, 88 p. ;  23 cm. 
 - [Document] United Nations ;  E/CN.4/Sub.2/40/rev. 1. 7 June 1949 .
<br/><br/>Bibliography : p. 58-88 
<br/><br/><label>ISBN: </label> USD 0.50 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discrimination<br/>Minorities
<br/><br/><label>Dewey Class. No.: </label>323.1