Hellmut Hager
- Bernini, Mattia de Rossi and the Church of S. Bonaventura at Monterano. In: Architectural History, v. 21 ( 1978). (1978):
- Balthasar Neumann's Schonborn Chapel at Wurzburg Cathedral and Its Berninesque Prototype. In: Architectural History, v. 26 ( 1983). (1983):