Subject

• Carbon copies. Reprographic copies. 2
• Copies. Derivative objects. 2
• Drawings. Visual works. 2
• Marine charts. 2
• Plans (drawings). 2
• Plans (orthographic projections). 2
• Plans. Maps. 2
• Prints. Visual works. 2
• Reports. 2
• Sections. Orthographic projections. 2
• Topographic surveys. 2
• Tracings. Drawings. 2
• Cross sections. 1
• Elevations. Orthographic projections. 1
• Engravings. Prints. 1
• Lectures. 1
• Letters. Correspondence. 1
• Manuscripts. 1
• Notes. 1
• Printed materials. Object genre. 1
• Reductions. Copies 1
• Sketches. 1
• Stats. Copies. 1
• Transcripts. 1
• Typescripts. 1
• Working drawings. 1