Drummond Coal Company v. Frank P. Freeman and Director, Office of Workers' Compensation Programs, United States Department of Labor , 733 F.2d 1523 ( 1984 )
Joseph F. Markus v. Old Ben Coal Company and Director, Office of Workers' Compensation Programs, United States Department of Labor , 712 F.2d 322 ( 1983 )
O'Keeffe v. Smith, Hinchman & Grylls Associates, Inc. , 85 S. Ct. 1012 ( 1965 )