TY  - BOOK
AU  - Ludewig,Charles Keech
AU  - Zier,Julian Gilbert
AU  - Kelbaugh,Paul Recker
TI  - Developments in inter-American transportation and communications, 1890-1940,
AV  - HE230.A1 L8
U1  - 380.98 
PY  - 1940///]
CY  - Washington, D.C.
PB  - Pan American Union
KW  - Transportation
KW  - Latin America
KW  - Communication and traffic
KW  - Industries
N1  - Cover title; At head of title: Pan American day, April 14; Mimeographed
ER  -