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- [4] GOVERNMENT OWNERSHIP OF RAILROADS ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1902, 19 : 61 - 73
- [5] Government Ownership and Operation of Railroads ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1939, 201 : 137 - 145
- [8] REVITALIZATION OF RAILROADS IS GOVERNMENT PRIORITY TRANSPORTATION ENGINEERING, 1977, 47 (06): : 26 - 28
- [9] GOVERNMENT OPERATION OF AMERICAN RAILROADS ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1918, 76 : 84 - 110
- [10] Government Ownership and Regulation of Railroads ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1929, 146 : 278 - 279