Sankt Petersplatz
- Carlo Fontana Had No Part in Bernini's Planning for the Square of Saint Peter's. In: Journal of the Society of Architectural Historians, v. 36, n. 2 (Mai 1977), S. 85-93. (1977):
- The construction techniques and methods for organizing labor used for Bernini's colonnade in St. Peter's, Rome. Vorgetragen bei: First International Congress on Construction History, Madrid, 20-24.01.2003. (2003):