Columbia subject headings:
Church and state--Byzantine Empire--History.
Church and state--Catholic Church--History.
Church and state--Italy--History.
Laurentius, Antipope, -507 or 508.
Papacy--History--To 1309.
Popes--Election--History.
Rome (Italy)--Church history.
Symmachus, Pope, -514.
Harvard subject headings:
Church history--Primitive and early church, ca. 30-600
Laurentius, Antipope, -507 or 508.
Schism, Acacian, 484-519.
Symmachus, Pope, -514.
Theodoric, King of the Ostrogoths, 454?-526.
Princeton subject headings:
Church and state--Byzantine Empire--History.
Church and state--Catholic Church--History.
Church and state--Italy--History.
Laurentius, Antipope, -507 or 508.
Papacy--History--To 1309.
Popes--Election--History.
Rome (Italy)--Church history.
Symmachus, Pope, -514.