Tax relations between the United Kingdom of Great Britain and Northern Ireland and the Kingdom of Sweden / F.E. Koch, Otto EkenbergThe convention between the United Kingdom of Great Britain and Northern Ireland and the Italian Republic for the avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income / by Fitz Erich Koch and Victor UckmarLa Convention fiscale franco-britannique du 14 décembre 1950 : étude d'application pratique / par F.E. Koch et Jean H. Rothstein
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Compilation of the legal provisions, regulations, circulars and forms relating to double taxation relief in the United Kingdom of Great Britain and Northern Ireland / ed. and introd. with ill. by F.E. Koch and Richard MossThe Anglo-Dutch double taxation conventions : (with the text of the conventions) / by F. E. Koch, H. J. Blok, Reginald K. Johns & H. SchuttevaerSupplement to the Anglo-Dutch double taxation conventions / by F.E. Koch ... [et al.] ; containing the regulations etc., issued in both states