01054cam a22003011  4500001001300000003000400013005001700017008004100034010001700075035001900092040003700111042001200148050001700160082001100177100003500188245017400223260005000397300002300447500001700470500005000487500001800537650003500555650004600590650003100636700003400667700003400701999001700735pa 41000012 DLC20260227111852.0791005s1940    dcu           000 0 eng c  apa 41000012   a(OCoLC)5471978  aPan Amer. UnioncNmUdOCoLCdDLC  apremarc00aHE230.A1bL8  a380.981 aLudewig, Charles Keech,d1906-10aDevelopments in inter-American transportation and communications, 1890-1940,cby C. Keech Ludewig.  Fiftieth anniversary of the Pan American union, 1890--April 14--1940.  aWashington, D.C.,bPan American Unionc[1940]  a4 numb. l.c28 cm.  aCover title.  aAt head of title: Pan American day, April 14.  aMimeographed. 0aTransportationzLatin America. 0aCommunication and trafficzLatin America. 0aIndustrieszLatin America.1 aZier, Julian Gilbert.,d1903-1 aKelbaugh, Paul Recker,d1903-  c51246d51246