General Research Tools
Find Law http://www.findlaw.com/12international/
University of Minnesota http://www.law.umn.edu/library/tools/pathfinders/most-cited.html
New York University http://www.law.nyu.edu/library/foreign_intl/treaties.html
University of Chicago http://www.lib.uchicago.edu/~llou/forintlaw.html

Information on International Arbitration
Index of Research Tools http://www.llrx.com/features/arbitration2.htm
American Arbitration Association International Centre for Dispute Resolution http://www.adr.org/sp.asp?id=21890
European Court of Arbitration http://cour-europe-arbitrage.org/index.htm
International Centre for Settlement of Investment Disputes http://www.worldbank.org/icsid/index.html
International Court of Arbitration http://www.iccwbo.org/index_court.asp
Permanent Court of Arbitration http://www.pca-cpa.org/

Governments
European Union Online http://europa.eu.int/
United Nations http://www.un.org/english/
OPEC http://www.opec.org/home/
United States http://www.firstgov.gov/
Index of African Governments on the Internet http://www.uneca.org/aisi/nici/africagovinternet.htm
China http://www.china.org.cn/english/
India http://www.india.gov.in/
Australia http://www.australia.gov.au/
New Zealand http://www.govt.nz/
Japan http://www.kantei.go.jp/foreign/index-e.html
Central and South American and the Caribbean http://www.lib.umich.edu/govdocs/forcsa.html

Finance
International Monetary Fund http://www.imf.org/
World Bank http://www.worldbank.org/
International Finance Corporation http://www.ifc.org/

International Trade Associations
International Trade Administration http://www.ita.doc.gov/
International Trade Centre http://www.intracen.org/default.htm
World Trade Organization http://www.wto.org/index.htm

Statistics
Census Bureau Foreign Trade Statistics http://www.census.gov/foreign-trade/www/
WTO Trade Statistics http://www.wto.org/english/res_e/statis_e/statis_e.htm

For information Links of Interest on International Environmental Law.

International Law Practice Information
International Bar Association http://www.ibanet.org/aboutiba/About_IBA.cfm
The American Society of International Law http://www.asil.org/index.html