| RHP21141 | Ordnance Survey 6 inch plan marked to show proposed new holdings at Carnish and Ardroil | 1914 |
| RHP35128/1-13 | Plans showing feus for churches in Lewis, Ross and Cromarty | 1909 |
| RHP40665 | 1-2. Ordnance Survey 1 inch maps (sheets 13 and 14), marked to show estate between Loch Langavat and Raerinish, belonging to late H.G. Thornton. | 1950 |
| RHP43267 | Plan of island of Lewis, Ross and Cromarty | 1821 |
| RHP43425 | Ordnance Survey 1 inch map to show roads between Stornoway and Carloway. | 1907 |
| RHP82272 | Bound plan and section of Carloway Harbour proposed breakwater and quay | Nov 1891 |
| RHP82288 | 1. Bound plan and section of proposed breakwater and quay under Carloway Harbour Provisional Order:
2. Provisional order
3-4. Duplicates of no.1 | Nov 1891 |
| RHP140464 | Plan of new cemetery at Valtos | 31 Jul 1971 |
| RHP143000/3/11 | Ordnance Survey 1 inch map (Sheet 98, [Scarp]) | 1858 |
| RHP143000/3/17 | Ordnance Survey 1 inch map (Sheet 104, [Isle of Lewis]) | 1858 |
| RHP143000/3/18 | Ordnance Survey 1 inch map (Sheet 105, [Isle of Lewis]) | 1858 |
| RHP143038 | Plan of Aird Bheag small holdings scheme, Lewis | 14 Apr 1932 |
| RHP143400/2/2 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NA 92 NE | 1981 |
| RHP143400/3/2 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 03 NE | 1981 |
| RHP143400/3/3 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 03 SE | 1981 |
| RHP143400/3/4 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 03 SW | 1981 |
| RHP143400/3/5 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 11 SE | 1981 |
| RHP143400/3/6 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 12 NW | 1981 |
| RHP143400/3/7 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 12 SW | 1981 |
| RHP143400/3/8 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 13 NW | 1981 |
| RHP143400/3/9 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 13 NE | 1981 |
| RHP143400/3/10 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 13 SW | 1981 |
| RHP143400/3/14 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 22 NE | 1981 |
| RHP143400/3/15 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 22 SE | 1981 |
| RHP143400/3/16 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 23 NW | 1981 |
| RHP143400/3/17 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 23 SW | 1981 |
| RHP143400/3/18 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 24 NW | 1981 |
| RHP143400/3/20 | Ordnance Survey 1/10000 plan, Ross and Cromarty (Lewis and Harris), Sheet NB 24 SW | 1981 |