Some very important resources are available here in full-text  and are fully searchable.  For example you will find The Laws of the USSR and its Successor States in full text from 1964-2008 as well as Review of Central and East European Law  from 1975-2009.  The search interface on this database will search the full text of these and any number of other titles including

• Human Rights, the Helsinki Accords, and the United States: Selected Executive and Congressional Documents (1255)
• United Nations Disarmament Yearbook (199)
• International Law Association Reports of Conferences (190)
• United Nations Yearbook of the International Law Commission (158)
• European Yearbook of Minority Issues (128)
• Revue Hellenique de Droit International (111)
• International Negotiation (86)
• International Peacekeeping (83)
• United Nations Juridical Yearbook (81)
• United Nations Commission on International Trade Law Yearbook (79)
• Polish Yearbook of International Law (74)
• Max Planck Yearbook of United Nations Law (53)
• International Court of Justice Yearbook (53)
• Baltic Yearbook of International Law (51)
• Europa Year-Book (47)
• Human Rights in Development Yearbook (34)
• Cambridge Yearbook of European Legal Studies (32)
• Croatian Yearbook of European Law and Policy (31)
• Hague Journal of Diplomacy (29)
• European Competition Law Annual (27)
• Journal for European Environmental & Planning Law (26)
• International Labour Law Reports (13)
• Religion & Human Rights: An International Journal (13)
• International Adjudications: Ancient and Modern History and Documents (11)
• World Court Reports: A Collection of the Judgments Orders and Opinions of the Permanent Court of International Justice (4)
• Labour Law Documents (2)
• International Law Association, Reports of the Executive Council (1)