Distribution's Place in the American Economy Since 1869 Derek Knee; Harold Barger Econometrica 1957 25(2), 375
Distribution's Place in the American Economy Since 1869 Robert Ferber; Harold Barger Econometrica 1957 25(2), 374
The Transportation Industries, 1889-1946: A Study of Output, Employment, and Productivity George H. Borts; Harold Barger Econometrica 1952 20(3), 510