Porta della fabrica of the Farnese Palace, Caprarola, from "Speculum Romanae Magnificentiae"

Design for the façade of a building

Attributed to Anonymous, German, 18th century

Design for a Doorway

Anonymous, Italian, Piedmontese, 18th century

Design for a Door Frame

Jacques Androuet Du Cerceau

Porta del Castel S. Angelo in Roma

Michelangelo Buonarroti, Attributed to Carl Hårleman

Design for the Façade of Santi Faustino e Giovita, Rome

Carlo Fontana

Elevation of Rustic Doric Doorway

After Robert Morris

Portone del Palazzo di Carbogniani

Pietro Paolo Coccetti (Cocchetti)

Design for a Doorway to a Rusticated Palace

Anonymous, French, 18th century

Design for an Elevation of a Gateway, Abbey at Rebais (Seine et Marne)

Claude Louis D'Aviler

Design for the Triumphal Arch at the Porta Ticinese in Milan, with the Imperial Arms of the Hapsburg and Allegorical Figures

Francesco Maria Richini (or Ricchino)

Window of Pope Julius III (del Monte), Palazzo Comunale, Bologna

Anonymous, Italian, 19th century

The Porta Galliera, the entrance gate to Bologna and drawbridge with temporary decorations for the entry of Pope Clement VIII in Bologna in 1598

Guido Reni