Frequently Asked Questions: Researching Treaties

What are the coverage dates for the web sites?

Council of Europe treaties - http://conventions.coe.int/ - covers the complete European Treaty Series (ETS) 1949-2003, and its continuation the Council of Europe Treaty Series (CETS) 2004 onwards.

FCO - www.fco.gov.uk - for treaty Command Papers from 1997 onwards and the treaties for which the UK is a depositary.

FCO - www.fco.gov.uk/en/about-us/publications-and-documents/treaties/uk-overseas-territories/ - provides information on treaties applying to the dependencies and overseas territories.

FCO - www.fco.gov.uk/en/about-us/publications-and-documents/treaties/treatylinks - for national treaty collections.

Flare Index to Treaties - http://193.62.18.232/dbtw-wpd/textbase/treatysearch.htm - contains over 1,500 of the most significant multilateral treaties from 1856 to the present.

Official Documents web site - www.official-documents.gov.uk - for Command Papers 2005 onwards.

OPSI - www.opsi.gov.uk - for Command Papers 2001 onwards.

Treaties Office of DG External Relations of the European Commission - http://ec.europa.eu/world/agreements/default.home.do - includes all the bilateral and multilateral treaties or agreements concluded by the European Community, the European Atomic Energy Community (EAEC) and the former European Coal and Steel Community (ECSC), and those concluded under the Treaty on European Union.

United Nations Audiovisual Library of International Law - http://untreaty.un.org/cod/avl/researchlibrary.html#states - covers national collections of treaties.

United Nations Treaty Series - http://treaties.un.org/Pages/Home.aspx?lang=en  - for United Nations Treaty Series (1946-) and  the earlier League of Nations Treaty Series (1920-1944).

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