Subject

• Cross sections. 1
• Drawings. Visual works. 1
• Elevations. Orthographic projections. 1
• Letters. Correspondence. 1
• Measurements. 1
• Memoirs. 1
• Plans (orthographic projections). 1
• Plans. Maps. 1
• Prints. Visual works. 1
• Sections. Orthographic projections. 1
• Sketches. 1
• Tracings. Drawings. 1