TY  - BOOK
AU  - Lewis,William Draper
TI  - Our sheep and the tariff / 
T2  - Publications of the University of Pennsylvania. Political economy and public law series ; 
PY  - 1890///
CY  - Philadelphia : 
PB  - published by The University of Pa. Press Co., 
KW  - Lana-
KW  - Tarifas-
KW  - Estados Unidos
ER  -