Court of Appeals of District of Columbia December 1956 casesHammond v. District of ColumbiaAmerican Development Corp. v. Potomac CompanyDe Levay v. Marvins Credit, Inc.Simon v. RossierAetna Casualty and Surety Company v. SmithWilson v. SpencerEvans v. United States Fidelity and Guaranty Co.Stone v. District of ColumbiaCredit Finance Service v. Able