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).

St. Peter's, dome and drum, interior section and elevation, and labeled details (recto); St. Peter's, moulding profiles, details (verso)

Attributed to Etienne DuPérac

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

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

Drawn by Anonymous, French, 16th century

St Peter's, entablature profile; reflected ceiling details of the cornice, and profiles of column bases and pedestals (recto) St. Peter's, section through drum of model and entablature of upper story (verso)

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

Forum of Nerva, entablature, elevation; cornice, elevation (recto) Forum of Nerva, architrave panel, ceiling plan, Corinthian, capital (verso)

Drawn by Anonymous, French, 16th century

Unidentified, cornice, projection; architrave, projection (recto) Unidentified, ceiling, plan (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

Arch of Septimius Severus, entablature, elevation; attic, base, elevation (recto) Arch of Septimius Severus, archivolt, elevation; impost, elevation; entablature, elevation; column base, elevation; column, plan (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

Unidentified, Composite base, elevation; Temple of Concordia, Composite base, elevation; Unidentified, Composite base, elevation (recto) blank (verso)

Drawn by Anonymous, French, 16th century

Pantheon, entablature and column pilaster capital, projection; rosette, details; capital profile; base, profile; pilaster, plan (recto) Pantheon, rectangular niche, perspective (verso)

Drawn by Anonymous, French, 16th century

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

Sangallo family