Design for Painted Corner and Frieze of the Choir in the Church of the Servi in Bologna

St. Peter's, apse, partial elevation (recto) blank (verso)

Drawn by Anonymous, French, 16th century

Fragment of architectural frame

Anonymous, Netherlandish, 16th century

Palazzo Alberini-Cicciaporci, half elevation (recto) blank (verso)

Drawn by Anonymous, French, 16th century

St. Peter's, drum, exterior, elevation (recto) St. Peter's, tribune, entablature, section and details (verso)

Drawn by Anonymous, French, 16th century, Circle of Etienne DuPérac

Unidentified, Ionic capital, elevation (recto) blank (verso)

Drawn by Anonymous, French, 16th century

Drawing for Engraving in Raccolta di Vari Schizzi, Venice, after Angelo Rosis

Antonio Maria Visentini

Altar Frame

Anonymous, Italian, 16th century

St. Peter's, apse, window, elevation (recto) Unidentified, portal, elevation (verso)

Drawn by Anonymous, French, 16th century, Circle of Etienne DuPérac

Design for a Proscenium or Monumental Alcove

Giovanni Battista Foggini

Half-Section of the Model of the Attic and Dome of Saint Peter's Basilica as Conceived by Michelangelo (recto); Detail Studies Relating to the Plan, Section, and Elevation of the Dome of Saint Peter's Basilica (verso).

Etienne DuPérac

Two Alternate Designs for an Altar

Anonymous, Italian, Piedmontese, 18th century

Architectural Study: The Measured Profiles of the Cornice and Entablature of the "Colonnacce" from the Forum Transitorium (the "Palace of Nerva")

Sangallo family