General Tax Resources
From the IBFD (International Bureau of Fiscal Documentation) this tax research platform is a major tax resource which gives 141 online books, case law, journals, legislation, treaties and news covering cross border tax issues. Information can be selected by practice area, country organisation or special topic. Some of the journals include the Bulletin of International Taxation, the Asia Pacific Tax Bulletin/Journal and the World Tax Journal.
Tax Analysts - Provides recent and in-depth international tax information (Go to Lexis>Taxation> Find International Materials and Treaties)
International Tax Review - Journal covering International Tax