in 2013. References External links Philadelphia City Archives' finding aid for Dilworth's mayoral correspondence and files The Richardson Dilworth papers, covering a large part of his career as mayor, are available for research use at the Historical Society of Pennsylvania. 1898 births 1974 deaths United States Marine Corps personnel of World War I United States Marine Corps personnel of World War II District Attorneys of Philadelphia Mayors of Philadelphia Pennsylvania Democrats Yale University alumni 20th-century American politicians Shipwreck survivors Presidents of the United States Conference of Mayors United States Marine Corps officers