W. Willard Wirtz, Secretary of Labor, United States Department of Labor v. Fred McClure , 333 F.2d 45 ( 1964 )
Credit Service, Inc. v. Philip B. Fleming, Administrator of the Wage and Hour Division, United States Department of Labor , 372 F.2d 143 ( 1967 )
w-willard-wirtz-secretary-of-labor-united-states-department-of-labor-v , 321 F.2d 558 ( 1963 )