Multilateral Treaties Deposited with the Secretary-General (New York: United Nations, 1982-). See also the UN Treaty Collection (UCB only).

International Labour Office, Ratifications of the Fundamental Human Rights Convention and by country web site.

Bowman and Harris, Multilateral Treaties: Index and Current Status (London: Butterworths, 1984). Has a supplement, but it has not been updated in awhile.

UNHCHR, Human Rights Bodies, select the page for the treaty body; each page has ratification information linked on the left side of the page.

Basic Documents Pertaining to Human Rights in the Inter-American System (Washington, DC: IACHR Court, General Secretariat, Organization of American States, 1988-). More current editions on the web.

International Humanitarian Law Database: States Parties.

Council of Europe, provides status information, signatures and ratifications, and declarations and reservations.

U.S. Dept. of State, Office of the Legal Advisor, Treaties in Force: A List of Treaties and Other International Acts of the United States (Washington, DC: Office of the Legal Advisor, 1929-). Available on the web. Update this publication with Current Treaty Actions, available only on the State Dept. web site .

Wiktor, Multilateral Treaty Calendar, 1648-1995 (The Hague: M. Nijhoff, 1998).

Netherlands Institute of Human Rights (SIM), RATIF (by country or organization).

Journals are a good source for this kind of information. See specific human rights journals such as Human Rights Law Journal and Refugee Survey Quarterly.