Railroad travel and the state of business
By: [by] Thor Hultgren ...
Series: [National Bureau of Economic Research] Occasional paper 13: December 1943
Publisher: National Bureau of Economic Research
Published: 1943
Place of publication: New York, N.Y
Language: eng
Number of pages: 35
Subjects: Railroads -- United States -- Passenger traffic.
Notes: Bibliographical foot-notes.