Columbia subject headings:
Catholic Church--Bishops--Appointment, call, and election--History--To 1500.
Church history--Middle Ages, 600-1500.
Church history--Primitive and early church, ca. 30-600.
Election law (Canon law)--History--To 1500.
Harvard subject headings:
Catholic Church--Bishops--Appointment, call, and election--History--To 1500.
Church history--Middle Ages, 600-1500
Church history--Primitive and early church, ca. 30-600
Election law (Canon law)--History--To 1500.
Princeton subject headings:
Catholic Church--Bishops--Appointment, call, and election--History--To 1500.
Church history--Middle Ages, 600-1500.
Church history--Primitive and early church, ca. 30-600.
Election law (Canon law)--History--To 1500.