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General comparative analysis, and public aids to scheduled air transportation : P. 1/2
United States / Office of Federal Coordinator of … - 1940
Persistent link: https://www.econbiz.de/10003242650
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Aids to railroads and related subjects : P. 1/3
United States / Office of Federal Coordinator of … - 1938
Persistent link: https://www.econbiz.de/10003242654
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Public aids to motor vehicle transportation : an analysis of highway and street costs and motor vehicle user payments
United States / Office of Federal Coordinator of … - 1940
Persistent link: https://www.econbiz.de/10003242659
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Public aids to transportation : Published after expiriation of Emergency railroad transportation act, 1933. Section of research, Federal coordinator of transportation
United States / Office of Federal Coordinator of … - 1938
Persistent link: https://www.econbiz.de/10002811785