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Geschichte der Steuern des britischen Reichs : ein finanzgeschichtlicher Versuch
Vocke, Wilhelm, (1866)
The early English customs system : a documentary study of the institutional and econ. history of the customs from the 13. to the 16. cent.
Gras, Norman Scott Brien, (1918)
Minutes of evidence taken before the Committee on National Debt and Taxation
(1927)
Time budget research : an ISSC workbook in comparative analysis
Szalai, Alexander, (1984)
Import and export Trade : law and customs procedure
Harvey, A. S., (1922)