Doric capital with measurements

Doric base, from "Speculum Romanae Magnificentiae"

Monogrammist G.A. with the Caltrop

Ionic capital, from "Speculum Romanae Magnificentiae"

Monogrammist G.A. with the Caltrop

Ionic capital, from "Speculum Romanae Magnificentiae"

Monogrammist G.A. with the Caltrop

Composite capital, from "Speculum Romanae Magnificentiae"

Attributed to Monogrammist G.A. with the Caltrop

Corinthian capital, from "Speculum Romanae Magnificentiae"

Master PS, Jacques Prevost de Gray

Corinthian entablature, from "Speculum Romanae Magnificentiae"

Monogrammist G.A. with the Caltrop, Antonio Salamanca

Ionic Capital

Monogrammist G.A. with the Caltrop

Cornice, from "Speculum Romanae Magnificentiae"

Anonymous, Jacques Prevost de Gray

Corinthian capital, from "Speculum Romanae Magnificentiae"

Agostino Veneziano (Agostino dei Musi), After Marcantonio Raimondi

Composite of Corinthian and Ionic, from "Speculum Romanae Magnificentiae"

Monogrammist G.A. with the Caltrop

Three Column Capitals

Giovanni Battista Piranesi

Design for an Overdoor Decoration (?) (recto); Part of a Doorway (verso)

Anonymous, Italian, Bolognese, 18th century