1. Introduction / Wiliam Tronzo
2. Peter and Constantine / Glen W. Bowersock
4. Est haec sacra principis aedes : the Vatican basilica from Innocent III to Gregory IX (1198-1241) / Antonio Iacobini
5. Renaissance St. Peter's / Christof Thoenes
6. Michelangelo to Marchionni, 1546-1784 / Henry A. Millon
7. Bernini at St. Peter's : singularis in singulis, in omnibus unicus / Irving Lavin
8. Theaters for the canonization of saints / Alessandra Anselmi
9. St. Peter's in the modern era : the paradoxical colossus / Richard A. Etlin.