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| Authors Name |
|---|
| Umberto, Masetti [2] |
| Underwood, Charles W. [3] |
| Underwood, Oscar W. [1] |
| Ungarean, Chad N. [1] |
| United States Circuit Court [1] |
| United States Steel Corporation [1] |
| United States. Executive Chamber [1] |
| United States. Food Administration [2] |
| United States. Industrial Commission [1] |
| United States. President [1] |
| United States. War Department [2] |
| Univeristy of Kansas. History and Sociology. [1] |
| Unknown [24] |
| Updegraff, Robert R. [5] |
| Upham, Francis B. [1] |
| Upp, John W. [1] |
| Upton, J. Duane [1] |
| Usher, Reginald N. [1] |
| Ussery, David [1] |