RT Book, Section SR Electronic(1) A1 United Nations YR 2001 T1 No. 3822. Supplementary Convention on the Abolition of Slavery, the Slave Trade, and Institutions and Practices Similar to Slavery. Done at the European Office of the United Nations at Geneva, on 7 September 1956 T2 Treaty Series 1931 PB United Nations SN 9789210454612 DO 10.18356/f8e51bce-en-fr UL https://www.un-ilibrary.org/content/books/9789210454612s003-c005