United States. Senate <br/><br/>
Proposed Inter-American Highway 

 - Washington :   Government Printing Office,   1934. 
 - 152 p. :   láms. ;   14 cm. 
 - Senate document ;   224 .
<br/><br/> Messge from the President of the United States Transmitting a report Prepared by the Bureau of Public Roads, department of Agriculture, etc.