CISG Database http://cisgw3.law.pace.edu/
Database of resources on the United Nations Convention on Contracts for the International Sale of Goods and international commercial law.
EUR-Lex http://europa.eu.int/eur-lex
Reference centre, providing online access to European Union official journals, treaties, legislation under preparation and in force, and case law, in PDF format.
Navillus Law LLP http://www.navilluslaw.com
This site includes background of Ronald F. Sullivan, author of International Project Financing and principal of Navillus Law LLP.