D. Maryland July 1964 casesMcClure v. E.A. Blackshere CompanyBlack Diamond S. S. Corp. v. United StatesAcme Markets v. Retail Store Emp. U. Local No. 692Noble Motor Company v. United StatesRoyal Indemnity Company v. Aetna Ins. CompanyNational Mut. Ins. Comp. v. Simms