Subject

• Accounts. 2
• Estimates. Financial records. 2
• Typescripts. 2
• Copies. Derivative objects. 1
• Correspondence. 1
• Cross sections. 1
• Drawings. Visual works 1
• Longitudinal sections. 1
• Maps. Cartographic materials. 1
• Plans (orthographic projections). 1
• Prints. Visual works. 1
• Sections. Orthographic projections. 1
• Sketches. 1
• Topographic surveys. 1
• Tracings. Drawings. 1
• Working drawings. 1