Projects and monuments in the period of the Roman BaroqueHellmut Hager, Susan C. Scott · First published 1984Open the Tome
Carlo Fontana The drawing at Windsor CastleHellmut Hager Allan Braham · First published 1977Open the Tome
Filippo Juvarra e il concorso di modelli del 1715 bandito da Clemente XIHellmut Hager · First published 1970Open the Tome
