Subject

• Tracings. Drawings. 7
• Elevations. Orthographic projections. 5
• Marine charts. 5
• Plans (drawings). 5
• Copies. Derivative objects. 4
• Cross sections. 4
• Maps. Cartographic materials. 4
• Plans. Maps. 4
• Sketches. 4
• Engravings. Prints. 3
• Photographs. 3
• Longitudinal sections. 2
• Manuscript maps. Maps. 2
• Reductions. Copies 2
• Stats. Copies. 2
• Carbon copies. Reprographic copies. 1
• Holographs. Autographs. 1
• Lithographs. Planographic prints. 1
• Manuscripts. 1
• Notes. 1
• Perspective views. Images. 1
• Profiles. Orthographic projections. 1
• Reports. 1
• Working drawings. 1