| RHP2520 | Plan of Hillhead of Adersier | 1842 |
| RHP2691 | Plan of the Government land attached to Fort George, Inverness-shire | 11 Apr 1837 |
| RHP2692 | Sketch of the Ordnance Lands at Fort George, Inverness-shire | 9 Nov 1850 |
| RHP21477 | Architectural plan of various buildings [in Fort George?] | Mid 19th century |
| RHP21482 | Architectural plan, elevation and section of semi- fortified building [at Fort William?] | Mid 19th century |
| RHP35454 | Architectural plan of the ground floor of the Barrack Store House, Fort George. | 1760-1762 |
| RHP35455 | Architectural plan, elevation and sections of the Barrack Store, House, Fort George. | 1760-1762 |
| RHP35456 | Architectural plans of Ordnance Store Houses in Fort George. | 1759-1761 |
| RHP35457 | Architectural plans of the North Building for staff and the Lieutenant Governor, Fort George. | 1761-1766 |
| RHP35458 | Architectural plans and section of the South Building for staff and the Governor's House, Fort George. | 1762-1766 |
| RHP35459 | Architectural plans and elevation of the South Building, Fort George. | 1762-1766 |
| RHP35460 | Architectural plan of ground floor of North Barracks, Fort George. | 1753-1761 |
| RHP35461 | Architectural plan of first floor of North Barracks, Fort George. | 1753-1761 |
| RHP35462 | Architectural plan of second floor of North Barracks, Fort George. | 1753-1761 |
| RHP35463 | Architectural plan of ground floor of South Barracks, Fort George. | 1753-1764 |
| RHP35464 | Architectural plan of first floor of South Barracks, Fort George. | 1753-1764 |
| RHP35465 | Architectural plan of second floor of South Barracks, Fort George: [1753-1764] | 1753-1764 |
| RHP35466 | Architectural sections and elevations of South Barracks, Fort George. | 1753-1764 |
| RHP35467 | Architectural drawing of the hospital at Fort George | 1862 |
| RHP35468 | Architectural plan, sections and elevations of North Block of Barrack Buildings, Fort George. | 1753-1761 |
| RHP35469 | Architectural plans of ground floors of North and South Buildings for staff officers, Fort George. | 1762 |
| RHP35470 | Sections and elevation of the Clock Tower, Fort George. | 1899 |
| RHP35471 | Architectural plan and sections of Ordnance Office, Fort George. | 1890-1891 |
| RHP35472 | Architectural plans and sections of the Magazine and Chapel, Fort George. | 1767 |
| RHP35473 | Architectural plans and section of the Garrison Chapel showing the proposed additional per accommodation. | 1870 |
| RHP35474 | Architectutral sections and elevation of proposed pumps for South East side of Fort George. | 1882-1883 |
| RHP35475 | Architectural plan and section of well in the South Casemates, Fort George, showing the pump proposed to be renewed. | 1885-1886 |
| RHP35476 | Architectural plan and sections of Grand Magazine, Fort George. | 1767 |
| RHP35477 | Section of sluice main drain, Fort George. | 1877 |
| RHP35478 | Plan, elevation and sections of proposed drainage work at Fort George. | 1877 |
| RHP35479 | Plans and elevation of proposed drainage works, Fort George. | 1867 |
| RHP35480 | Sections of drainage works, Fort George. | 1867 |
| RHP35481 | Sections of drainage works, Fort George. | 1867 |
| RHP35482 | Plans and sections of drainage works showing new pipes at Fort George. | 1868-1872 |
| RHP35484 | Plans and section of proposed W.C. in Officer's Quarters with water supply and connection with existing drains at Fort George. | 1872 |
| RHP35485 | Elevation and sections of proposed repairs to South East Sea Wall, Fort George. | 1880 |
| RHP35486 | Plan and section of proposed lever of drawbridge, Fort George. | 1878 |
| RHP35487 | Architectural plan and section of proposed alterations to increase the length of No. 1 Mess Room, Fort George. | 1875 |
| RHP35488 | Plan, sections and elevation of casemates, Fort George. | 1878 |
| RHP35489 | Architectural plan, sections and elevation of proposed racket court and of conversion of the Ordnance Store and Armoury into married quarters at Fort George. | 1886 |
| RHP35490 | Plan and section of the main gateway and bridge, Fort George. | 1768 |
| RHP35491 | Plan and section of Ravelin Gateway, Fort George. | 1768 |
| RHP35492 | Architectural plans of the ground and first floors of the Regimental Institute, Fort George. | 1934 |
| RHP35493 | Architectural elevations and detail of main entrance of Regimental Institute, Fort George. | 1934 |
| RHP35494 | Architectural foundation and roof plans of the Regimental Institute, Fort George. | 1934 |
| RHP35495 | Sections of Regimental Institute, Fort George. | 1934 |
| RHP35496 | Architectural plans and sections of the main entrance, porch, urinal and lavatory, Regimental Institute, Fort George. | 1934 |
| RHP35497 | Sections of Regimental Institute, Fort George. | 1934 |
| RHP35498 | Plans of parts of the foundation and ground floor of the Regimental Institute, Fort George (amendments to RHP 35492 and RHP35494). | 1935 |
| RHP35499 | Architectural plan, sections and elevations of the main entrance doors of the Regimental Institure, Fort George. | 1934 |
| RHP35500 | Sections, elevations and details of various parts of the Regimental Institure, Fort George. | 1934 |
| RHP35501 | Plans, sections and elevations of various parts of the Regimental Institute, Fort George, including the bookcase in the reading room and various cupboards. | 1934 |
| RHP35502 | Plan showing the external services to the Garrison Institute, Fort George. | 1934 |
| RHP38311/9 | L.M.S. Railway, Northern Section, Gradient profiles, stations etc, Perthshire | 1931 |
| RHP44186 | Ordnance Survey 6 inch plan marked round Ardersier (Campbelltown) to show special water supply district and proposed extensions thereto. | 1901-1905 |
| RHP46453 | 1. Bound plans and sections of Highland Railway proposed branch line from Fort George Station to Fort George and the ferry 2. Book of reference Gazette notice bound in) 3-4. Duplicates of nos.1-2 | November 1895 |
| RHP46856 | 1. Ordnance Survey 6 inch plan marked as 'general plan' of position of Earl of Cawdor's lands of Ardersier (Campbelltown and Stuarton) proposed to be feued 2. Tracing duplicate of no. 1 | 29 May 1901 |
| RHP49397 | Plan and sections, with site plan, of wooden bridge over main ditch at Fort George | 27 Feb 1896 |
| RHP77287 | Ordnance Survey 6 inch plan (Nairnshire, sheet I.SW; Inverness-shire, parts of sheets I & IA) marked to show farm boundaries | [1944-1954] |
| RHP78994 | Ordnance Survey 6 inch plan (Inverness-shire, sheet I) marked to show farm boundaries | [1944-1955] |
| RHP95884 | Ordnance Survey 6 inch plan (Nairnshire, sheet I.SW; Inverness-shire, parts of sheets I & IA) coloured to show classification of land | [1944-1955] |
| RHP97571 | Ordnance Survey 6 inch plan (Inverness-shire, sheet I; Nairnshire, parts of sheets I & IV) coloured to show classification of land | [1944-1954] |
| RHP140614 | Plan of beach and public road at Fort George | 9 Jan 1889 |
| RHP143400/8/37 | Ordnance Survey 6 inch plan, Inverness-shire; Nairnshire, Sheet NH 85 NW | 1960s-1970s |
| RHP143400/8/39 | Ordnance Survey 6 inch plan, Inverness-shire; Nairnshire, Sheet NH 85 SW | 1960s-1970s |