Microsoft global development portal

.NET internationalization

Unicode Consortium

World Wide Web Consortium Internationalization Page

Oracle Globalization Support

International Features in Microsoft SQL Server 2000

ISO 8601 International Standard Date and Time Notation

ISO 4217

A4 Paper Size

ISO 639 Two letter codes for languages

ISO 3166 Two letter codes for countries

RFC 3066 Tags for the Identification of Languages

IANA Character Set Registry