199 A. 815 PSALMIST BAPTIST CHURCH ET AL. v. BOARD OF ZONING APPEALS ET AL. [No. 30, April Term, 1938.]Court of Appeals of Maryland. Decided June 14th, 1938. Res Judicata — Persons Not Parties — New Trial. Persons who could have been parties to an appeal, from the Board of Zoning Appeals of Baltimore City […]