Chapter XV: Section 3: The jurisdiction of the Supreme Court shall extend over

the State, and the judges thereof shall, by virtue of their offices,
be justices of oyer and terminer and general jail delivery in the
several counties; they shall have original jurisdiction in cases
of injunction where a corporation is a party defendant, of habeas
corpus, of mandamus to courts of inferior jurisdiction, and of quo
warranto as to all officers of the Commonwealth whose jurisdiction
extends over the State, but shall not exercise any other original
jurisdiction; they shall have appellate jurisdiction by appeal,
certiorari or writ of error in all cases, as is now or may hereafter
be provided by law.

Common Pleas Courts.