Subject

• Drawings. Visual works. 7
• Plans (orthographic projections). 6
• Sections. Orthographic projections. 6
• Copies. Derivative objects. 5
• Prints. Visual works. 5
• Tracings. Drawings. 5
• Elevations. Orthographic projections. 4
• Maps. Cartographic materials. 4
• Surveys. Documents. 4
• Working drawings. 4
• Longitudinal sections. 3
• Marine charts. 3
• Cross sections. 2
• Manuscript maps. Maps. 2
• Photographs. 2
• Carbon copies. Reprographic copies. 1
• Design drawings. 1
• Engravings. Prints. 1
• Letters. Correspondence. 1
• Measurements. 1
• Memorandums. Legal documents. 1
• Plans (drawings). 1
• Printed materials. Object genre. 1
• Reports. 1
• Sectional elevations. 1
• Stats. Copies. 1
• Topographic surveys. 1
• Travel journals. 1