Peter Smithson (1923–2003), Study for a Wooden Obelisk, Hadspen House, Somerset, c. 2000. Print, 300 × 405 mm.
Ferdinando Galli Bibiena (1657–1743), Design for Stage: portfolio sheet showing an architectural perspective of a palace courtyard with obelisk, c. 1700. Pen and sepia ink with blue wash on paper, 288 × 220 mm.
Charles Percier (1764–1838), Champ de la Fédération, c. 1800. Black pen with coloured washes on laid paper, 192 × 313 mm.
Anon. (Italian), Scheme for a temporary tournament structure, Piazza Santa Maria Novella, Florence, 1650. Brown ink and wash on paper, 830 × 275 mm.
Louis-Gustave Taraval (1738–1794), Stage design for the College of Louis le Grand, Paris, 1759. Pen and ink and wash on paper, 305 × 737 mm.