23. Pergola Elevation and details on Trace- Mariemont Cincinnati District Ohio Showing Raised Central Section Collection: Images from the Rare Book and Manuscript Collections Location: Ohio Format: Image Creator: Nolen, John (American city planner, landscape architect, 1869-1937)
24. In Dogwood Park, p. 19 Mariemont scrapbook Collection: Images from the Rare Book and Manuscript Collections Location: Dogwood Park Format: Image Creator: Nolen, John (American city planner, landscape architect, 1869-1937)
25. Sketch for Garden under Terrace (identified at the top Florham), Sheet No. 28101 [Trombly in pencil on reverse side] Collection: Images from the Rare Book and Manuscript Collections Format: Image
26. Types of Plans for Proposed Houses, Montour Falls Collection: Images from the Rare Book and Manuscript Collections Location: Montour Falls Format: Image Creator: Bickford, R. T
27. Grading Plan for Proposed Subdivision, Shepard Building Corporation Collection: Images from the Rare Book and Manuscript Collections Format: Image Creator: Bickford, R. T
28. General Plan for the Town of Vandergrift Collection: Images from the Rare Book and Manuscript Collections Format: Image
29. Tray Run Viaduct; Baltimore and Ohio Railroad; Elevation and Cross-Section Collection: Images from the Rare Book and Manuscript Collections Format: Image
30. Plan of the Investment and Attack of York in Virginia Collection: Images from the Rare Book and Manuscript Collections Format: Image