TY  - BOOK
AU  - Gras,Norman Scott Brien
TI  - The early English customs system: a documentary study of the institutional and economic history of the customs from the thirteenth to sixteenth century 
PY  - 1918///-
CY  - Cambridge
PB  - Harvard University Press
KW  - Customs administration
KW  - Great Britain
KW  - Tariff
KW  - History
N1  - Library has vol.18
ER  -