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

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

St. Peter's, drum, interior, elevation (recto) St. Peter's, drum, pedestal, section (verso)

Attributed to Etienne DuPérac

Saint Peter's, apse, exterior elevation (recto) blank (verso)

Drawn by Anonymous, French, 16th century

Two Alternate Designs for a Wall with a Frame for a Painting

Anonymous, Italian, Piedmontese, 18th century

Santa Maria Maggiore, Sforza Chapel, elevation (recto) Unknown, entablature, partial cornice, and column or pilaster base profile (verso)

Drawn by Anonymous, French, 16th century

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

Palazzo dei Conservatori, window, elevation; window, details, elevation (recto) blank (verso)

Drawn by Anonymous, French, 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 Tomb or Wall Monument

Anonymous, Italian, 17th century

Basilica Ulpia, cornice, elevation profile with ornamental detailing; Domus Turciorum, entablature, elevation profile (recto) Domus Turciorum, elevation, perspective (verso)

Drawn by Anonymous, French, 16th century

Two Alternate Designs for an Altar

Anonymous, Italian, Piedmontese, 18th century

Design for an Altar

Anonymous, Italian, Piedmontese, 18th century