01282cam a22003131 4500 pa 41000013 DLC 20260227111852.0 750923s1940 dcu 000 0 eng c pa 41000013 (OCoLC)1650851 Pan Amer. union. Library FU OCoLC DLC s------ HC165 .L77 330.98 Ludewig, Charles Keech, 1906- 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. Cover title. At head of title: Pan American day, April 14. Mimeographed. 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. Agriculture Latin America. Industries Latin America. Latin America Commerce. Zier, Julian Gilbert., 1903- Kelbaugh, Paul Recker, 1903- 51247 51247