A colleague has made me aware of TransLex.org, a free website providing access to and information about transnational legal research.
The site can be searched by keyword with filters for such things as type of text (Court Decision, Arbitral Awards, Doctrine, Clause, Legislation or Principles) or language (English, French, German, Italian, Spanish, Dutch, Portugese and Latin).
The site can also be searched or browsed by one of 4 categories (the descriptions below are taken directly from the site):
1) Principles: The TransLex-Principles contain more than 120 principles and rules of transnational law, the New Lex Mercatoria, supported by . . . [more]