References
- Cummins , E. E. 1935 . The Labor Problem in the United States 362
- Walser , Frank . 1933 . The Art of Conference . 1933 . pp. 267
- 1938 . “You Don't Need to Sue” . Fortune , XVIII ( 6 ) December : 89 – 90ff .
- 1938 . “You Don't Need to Sue” . Fortune , XVIII ( 6 ) December : 98
- Perkins , Fred W. 1939 . “U. S. Keeps an Eye on Coal Parleys” . Pittsburgh Press , 9 May 7 : 1 2
- 1939 . New York Times , 1 May 7 : 1
- 1939 . New York Times , 1 May 7 : 1 1
- 1937 . Agreement Between Central Pennsylvania Coal Producers Association and International. Union, United Mine Workers of America 27 – 28 .
- Cummins , E. E. 1935 . The Labor Problem in the United States 534
- Steelman , John R. 1938 . “Conciliating Labor Disputes in a Democracy” . Labor Relations Reporter , 2 ( 18 ) July 4 : 7 – 8 .