60-2.1 Correspondence and Files (1844-1854, 1887-1941)60-2.2 Administration of Bernard Samuel (1941-1952)
60-2.3 Administration of Joseph S. Clark (1952-1956)
60-2.4 Administration of Richardson Dilworth (1956-1962)
60-2.5 Administration of James H. J. Tate (1962-1972)
60-2.6 Administration of Frank L. Rizzo (1972-1980)
60-2.7 Administration of William J. Green, III (1980-1984)
60-2.8 Administration of W. Wilson Goode (1984-1992)
60-2.9 Administration of Edward G. Rendell (1992-)