Ludewig, Charles Keech,  1906- <br/><br/>
A half century of economic progress, 1890-1940, 
by C. Keech Ludewig, Julian G. Zier [and] Paul Kelbaugh.  Fiftieth anniversary of the Pan American union, 1890-April 14-1940. 
 - Washington, D.C.,  Pan American union  [1940] 
 - 1 p. l., 17 numb. l.  incl. 2 tab.  28cm. 
<br/><br/> Cover title.  At head of title:  Pan American day, April 14.  Mimeographed. 
<br/><br/>A half century of Latin American agriculture, by P. R. Kelbaugh.--A half century of Latin American commerce, by J. G. Zier.--Industrialization in the republics of Latin America, by C. K. Ludewig. 
<br/><br/><label>LCCN: </label>pa 41000013  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Latin America.<br/>Industries--Latin America.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Latin America--Commerce.
<br/><br/><label>LC Class. No.: </label>HC165  / .L77 
<br/><br/><label>Dewey Class. No.: </label>330.98