Books
Canadian
o Arnold, Sasseville & Zalt, The taxation of business profits under tax treaties (Toronto: Canadian Tax Foundation, 2003)
o D'Arcy, S., Non-residents, Cross-border Transactions and the GST (Toronto: CCH Canadian, 2005)
o Fraser Milner Casgrain, Canada-US Tax Treaty: A Practical Interpretation, 3rd ed. (Toronto: CCH Canadian Limited, 2009)
o Krishna, V., The Canada-U.S. Tax Treaty: Text and Commentary (Markham: LexisNexis Butterworths, 2004)
o Krishna & Cross, The Canada-U.K. tax treaty: text and commentary (Markham: LexisNexis Canada, 2005)
o Krishna & Cross, The Canada-India Tax Treaty: Text and Commentary (Markham: LexisNexis, 2007)
o * Krishna, V., Canada's Tax Treaties (Butterworths, looseleaf) (4 volumes)
o Li, Cockfield & Wilkie, International taxation in Canada: principles and practices (Markham: LexisNexis Butterworths, 2006)
Other countries
o Reuven S. Avi-Yonah, International Tax As International Law: An Analysis Of The International Tax Regime (Cambridge: Cambridge University Press, 2007)
Websites
European Commission Taxes in Europe Database
International Tax and Business Guides
International Tax Dialogue
Tax Executives Institute
Tax and Accounting Sites Directory
TaxWorld (U.S. emphasis)