Octagonal Temple with a dome, surmounted by a domed turret, crowned with an eagle, from "Speculum Romanae Magnificentiae"

Interior and ground plan of an octagonal temple, from "Speculum Romanae Magnificentiae"

Anonymous

Elevation of a Domed Corinthian Temple

Anonymous, French, 18th century

Temple for a Flower Garden

Sir John Soane, J. Taylor

S. Pietro in Montorio, Tempietto, section (recto) blank (verso)

Drawn by Anonymous, French, 16th century

Design for Altar Tabernacle

Anonymous, French, 17th century

Sepulchre of Augustus, from "Speculum Romanae Magnificentiae"

Etienne DuPérac, Antonio Lafreri

Design for a Festival Monument: Base Holds a Small Orchestra; Triumphal Arch Surmounted by a Cartouche-Decorated Pyramid with Figure of Fame, below, a Royal Crown

Anonymous, Italian, 18th century

Façade of a Rotunda

Attributed to Antonio Maria Visentini

Design for a Funerary Monument

Anonymous, German, 18th century, Formerly attributed to Anonymous, German, 19th century

S. Andrea via Flaminia, elevation (recto) blank (verso)

Drawn by Anonymous, French, 16th century

Elevation of Garden Pavilion

After Robert Morris

Elevation for a Building with an Octogonal Cupola and two stoy Pendimenting Facades

Anonymous, Italian, Piedmontese, 18th century