Barger, Harold
The transportation industries 1889-1946 : a study of output, employment, and productivity / Harold Barger - New York : NBER , 1951 - xvi, 288p. : ill. ; 24 cm.
Includes index.
Transport and communications
History
Transport
385 / BAR
The transportation industries 1889-1946 : a study of output, employment, and productivity / Harold Barger - New York : NBER , 1951 - xvi, 288p. : ill. ; 24 cm.
Includes index.
Transport and communications
History
Transport
385 / BAR