Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )
Williams v. Baker , 1988 D.C. App. LEXIS 96 ( 1988 )
Ehrenhaft v. Malcolm Price, Inc. , 1984 D.C. App. LEXIS 554 ( 1984 )