Columbia subject headings:
Governors--Pennsylvania--Biography.
Lawrence, David Leo, 1889-1966.
Mayors--Pennsylvania--Pittsburgh--Biography.
Pennsylvania--Politics and government--1865-1950.
Pennsylvania--Politics and government--1951-
Pittsburgh (Pa.)--Politics and government.
Harvard subject headings:
Governors--Pennsylvania--Biography.
Lawrence, David Leo, 1889-1966.
Mayors--Pennsylvania--Pittsburgh--Biography.
Pennsylvania--Politics and government--1865-1950.
Pennsylvania--Politics and government--1951-
Pittsburgh (Pa.)--Politics and government.
Princeton subject headings:
Governors--Pennsylvania--Biography.
Lawrence, David Leo, 1889-1966.
Mayors--Pennsylvania--Pittsburgh--Biography.
Pennsylvania--Politics and government--1865-1950.
Pennsylvania--Politics and government--1951-
Pittsburgh (Pa.)--Politics and government.