| RHP6089 | Plan of the lands and different possessions in The Barony of Birsay (Birsa), Orkney | 1760 |
| RHP6093 | Photostat copy of plan of those parts of Firth, Grimbister and Hunscarth (Huntscart), that belong to Sir Laurence Dundas of Kerse (Vignettes of fishermen, farm animals and an owl.) (1-2) | [1769] |
| RHP6097 | Photostat copy of plan of Marwick, Isbister and the enclosure taken in by draining the Loch of Isbister, belonging to Sir Laurence Dundas of Kerse (Vignettes of farm animals, etc.) (1-6) | 1769 |
| RHP6099 | Photostat copy of plan of that part of Sabiston (Sabustown) in the parish of Birsay, belonging to Sir Laurence Dundas of Kerse (Vignettes of hunter and farm animals) (1-2) | 1769 |
| RHP35836 | Architectural drawing of Palace of Birsay, Orkney | c 1700 |
| RHP35837 | Plan and section of the course of a drain into the Loch of Birsay. | 1745 |
| RHP35838 | Sections of [the same drain] at Birsay (Birsa). | 1747 |
| RHP97630 | Ordnance Survey 6 inch plan (Orkney, sheet LXXXVIII) marked to show classification of land | [1944-1954] |
| RHP97631 | Ordnance Survey 6 inch plan (Orkney, sheet LXXXIX) marked to show classification of land | [1944-1954] |
| RHP97636 | Ordnance Survey 6 inch plan (Orkney, Sheet XCIV) marked to show classification of land | [1944-1954] |
| RHP97637 | Ordnance Survey 6 inch plan (Orkney, Sheet XCV) marked to show classification of land | [1944-1954] |
| RHP97643 | Ordnance Survey 6 inch plan (Orkney, sheet CI) marked to show classification of land | [1944-1954] |