The problem of weak railroads ...
By: [by] James M. Herring.
Published: 1929
Place of publication: Philadelphia
Language: eng
Number of pages: 176
Subjects: Railroads -- United States.; Railroads -- United States -- Finance.; Transportation act, 1920.
Notes: Bibliography: p. 174-176.
Thesis (Ph. D.)--University of Pennsylvania, 1929.
Published also without thesis note.