Customs regulations of the United States prescribed for the instruction and guidance of officers of customs. 

 - Washington :  United States. Printing Office,  1900. 
 - 780 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ADUANAS<br/>ESTADOS UNIDOS<br/>EXPORTACIONES<br/>TRANSPORTE MARITIMO
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ECONOMIA