Columbia subject headings:
Apportionment (Election law)--Pennsylvania.
Commonwealth of Pennsylvania. Pennsylvania Legislative Reapportionment Commission.
Election districts--Pennsylvania.
Harvard subject headings:
Apportionment (Election law)--Pennsylvania.
Election districts--Pennsylvania.
Pennsylvania--Politics and government--1951-
Princeton subject headings:
Apportionment (Election law)--Pennsylvania.
Election districts--Pennsylvania.
Pennsylvania. Legislative Reapportionment Commission