The history of export and import railroad rates and their effect upon the foreign trade of the United States ...
Subtitle: by Roland Laird Kramer.
Publisher: Printed by Westbrook publishing co.
Published: 1923
Place of publication: Philadelphia, Pa
Language: eng
Number of pages: 120
Subjects: Railroads -- Freight -- Rates -- United States.; United States -- Commerce
Notes: Bibliography: p. 119-120.
Thesis (PH. D.)--University of Pennsylvania, 1923.