Columbia subject headings:
Irish Americans--Pennsylvania--Philadelphia--Biography.
Irish Americans--Pennsylvania--Philadelphia--Politics and government.
McMullen, William, 1824-1901.
Philadelphia (Pa.)--Politics and government--1865-
Politicians--Pennsylvania--Philadelphia--Biography.
Harvard subject headings:
Irish Americans--Pennsylvania--Philadelphia--Biography.
Irish Americans--Pennsylvania--Philadelphia--Politics and government.
McMullen, William, 1824-1901.
Philadelphia (Pa.)--Politics and government--1865-
Philadelphia (Pa.)--Politics and government.
Politicians--Pennsylvania--Philadelphia--Biography.
Princeton subject headings: