Functions of public buildings and public parks of the National Capital, Public Building Commission, Arlington Memorial Bridge Commission, and National Capital Park and Planning Commission. Letter from the Director of Public Buildings and Public Parks of the National Capital, transmitting, in response to Senate Resolution No. 351 (72d Cong.), a report of all functions of public buildings and public parks of the National Capital, Public Buildings Commission, Arlington Memorial Bridge Commission, and National Capital Park and Planning Commission and the annual cost thereof.