Antonio da Sangallo's project for St. Peters, plan of the façade extended to the left with a tower

Design for the Basilica of St. Peter's in the Vatican, from "Speculum Romanae Magnificentiae"

After Antonio da Labacco, After Antonio da Sangallo, the Younger, Antonio Salamanca

St. Peter's, from "Speculum Romanae Magnificentiae"

After Antonio da Sangallo, the Younger, After Antonio da Labacco, Antonio Salamanca

St. Peter's, from "Speculum Romanae Magnificentiae"

Giovanni Ambrogio Brambilla, After Michelangelo Buonarroti, Claudio Duchetti, Antonio Lafreri

Elevation Showing the Exterior of Saint Peter's Basilica from the South as Conceived by Michelangelo (published in 1569), from "Speculum Romanae Magnificentiae"

Etienne DuPérac

Longitudinal Section Showing the Interior of Saint Peter's Basilica as Conceived by Michelangelo (published in 1569), from "Speculum Romanae Magnificentiae"

Etienne DuPérac

St. Peter's, from "Speculum Romanae Magnificentiae"

Etienne DuPérac, After Michelangelo Buonarroti, Claudio Duchetti, Antonio Lafreri

The South East Prospect of the Cathedral Church of St. Paul, London, from "Overton's Prospects"

Benjamin Cole

Udkast til vestfacaden af S. Lorenzo kirke, Rom

Marcus Tuscher

Design for the Basilica of St. Peter's in the Vatican, from "Speculum Romanae Magnificentiae"

After Antonio da Labacco, After Antonio da Sangallo, the Younger, Antonio Salamanca

St. Peter's, from "Speculum Romanae Magnificentiae"

Vincenzo Luchino

View of the exterior of St. Peter's Basilica in the Vatican, from Vedute di Roma (Roman Views)

Giovanni Battista Piranesi

View of the exterior of St. Peter's Basilica in the Vatican, from Views of Rome

Giovanni Battista Piranesi