The Codification Division of the Office of Legal Affairs recently added the following materials to the Historic Archives of the United Nations Audiovisual Library of International Law: an Introductory Note on the 1961 Single Convention on Narcotic Drugs, written by Neil Boister, Professor of Law at the University of Canterbury; translations, in the six languages of the United Nations, of the Introductory Notes on the 1999 International Convention on Arrest of Ships, written by Mahin Faghfouri, and the 1926 Slavery Convention, written by Jean Allain; as well as translations of the Procedural History of the 1981 Declaration on the Elimination of All Forms of Intolerance and of Discrimination Based on Religion or Belief.