| RHP275 | Plan of the boundaries of the Burgh of Tain, Ross and Cromarty | [1750s] |
| RHP275/1 | Plan of the boundaries of the Burgh of Tain, Ross and Cromarty | [1750] |
| RHP275/2 | Plan of the boundaries of the Burgh of Tain, Ross and Cromarty | 1752 |
| RHP275/3 | Plan of Tain, Ross and Cromarty | Oct 1750 |
| RHP816 | Plan of land required for the Inverness and Ross-shire Railway on the estate of Highfield, the property of J.F. Gillanders: 1862 | 1862 |
| RHP938/1-4 | Plan of land at Ardjachie taken for the Inverness and Aberdeen Junction Railway, Tain, Ross and Cromarty | 1864-1890 |
| RHP1455/1-4 | Architectural plans of Bogbain farm steading, property of the Earl of Seaforth | nd |
| RHP2926 | Ordnance Survey 6 inch plan marked relative to agreement fixing the limits of the foreshore at Tain: 1904. | 1904 |
| RHP10218 | Photostat copy of plan of the lands of Tain, in dispute between the burgh of Tain and the laird of Cadboll | 1750 |
| RHP11611 | Plan of road from the Ferry of Portenleik near Culrain along the west side of the Dornoch Firth to the town of Tain. | 1797 |
| RHP11658 | Plan of proposed road from Tain to Ardgay. | 1811 |
| RHP14646 | Plan of the lands of Morangie, Tatlogie and Cambuscarrie: 1847 | 1847 |
| RHP14647 | Plan (3 copies) of the estate of Tarlogie etc: [early 20th century] | Early 20th century |
| RHP14648 | Plan (3 copies) of the estate of Terlogie, with various manuscript markings: [early 20th century] | Early 20th century |
| RHP14649 | Ordnance Survey 1 inch map (Sheet 94), marked to show lands of Tarlogie, Pitnelles and Ballintore: [late 19th century] | Late 19th century |
| RHP14946 | Plan of the Dornoch Firth, showing the mussel scalps belonging to the estates to Tarlogie, Morangie and Cambuscurrie | 1848 |
| RHP14947 | Plan of proposed line of the Inverness and Ross-Shire Railway through the lands of Tarlogie, Ardjachie and Morangie, Ross and Cromarty | c 1860 |
| RHP14948 | Plan of the estates of Tarlogie etc: [later 19th century] | Late 19th century |
| RHP14949 | Plan of land taken for the line of the Inverness and Aberdeen Junction Railway, Ross-shire extension, on the property of Major Hugh Munro St Vincent Rose in the lands of [Tarlogie], Ardjachie and Morangie: 1865 | 1865 |
| RHP14950 | Architectural plans, elevations and sections (4) or Tarlogie House, showing alterations and additions: 1868 | 1868 |
| RHP14951 | Architectural plan and elevation of proposed improvement to Tarlogie House: 1869 | 1869 |
| RHP14952 | Architectural plans, elevations and sections (2) or Tarlogie Gate Lodge and kennels: 1869 | 1869 |
| RHP14953 | Architectural plan, elevation and section of gardener's house at Tarlogie: 1869 | 1869 |
| RHP21791 | Architectural drawing of Tain prison and court house, Ross and Cromarty | 28 Apr 1842 |
| RHP21792 | Architectural plan of ground floor of Tain prison and court house | 1842 |
| RHP21793 | Architectural plan of second floor of Tain prison and court house | 1842 |
| RHP21794 | Architectural plan of third floor of Tain prison and court house | 1842 |
| RHP21795 | Architectural drawing of Tain prison and court house, Ross and Cromarty | 28 Apr 1842 |
| RHP21796 | Architectural plan of ground floor of Tain prison | 1842 |
| RHP21797 | Architectural plan of second floor of Tain prison | 1842 |
| RHP21798 | Architectural plan of third floor of Tain prison | 1842 |
| RHP21799 | Architectural drawing of Tain prison, Ross and Cromarty | [1842] |
| RHP21800 | Architectural plan of ground floor and elevation of Tain prison | c 1843 |
| RHP21801 | Architectural plan of second floor and elevation of Tain prison | c 1843 |
| RHP21802 | Architectural plan of third floor and roof of Tain prison | c 1843 |
| RHP21803 | Architectural elevation and section of Tain prison | c 1843 |
| RHP21804 | Architectural sectional plan of Tain prison | c 1843 |
| RHP21805 | Architectural drawing of boundary walls of Tain prison, Ross and Cromarty | [c 1843] |
| RHP21806 | Architectural ground plan and elevation of boundary walls of Tain prison | 1843 |
| RHP21807 | Architectural plan of ground floor and flues of Tain prison | 1843 |
| RHP21808 | Architectural plan of second and third floors of Tain prison | 1843 |
| RHP21809 | Architectural plan of roof and elevation of Tain prison | 1843 |
| RHP21810 | Architectural drawing of Tain prison, Ross and Cromarty | 1843 |
| RHP21811 | Architectural sectional plans of Tain prison | 1843 |
| RHP21812 | Architectural sectional plans of Tain prison | 1843 |
| RHP21813 | Architectural sectional plans of Tain prison | 1843 |
| RHP21814 | Architectural sectional plans of Tain prison | 1843 |
| RHP21815 | Architectural details of gratings etc in Tain prison | 1843 |
| RHP21816 | Architectural plan, elevation and section of cell door in Tain prison | 1843 |
| RHP21817 | Architectural plan, elevation and section of cell window in Tain prison | 1843 |
| RHP21818 | Architectural sectional plan of iron beam in Tain prison | 1843 |
| RHP21819 | Architectural details of stonework in Tain prison | 1843 |
| RHP21820 | Architectural details of stonework in Tain prison | 1843 |
| RHP21821 | Architectural plan, elevation and details of entrance gate of Tain prison | 1843 |
| RHP21822 | Architectural tracing plan and elevation of internal gate in Tain prison | 1840 |
| RHP21823 | Architectural plan and section of heating apparatus in Tain prison | 1840 |
| RHP23874 | 1. Bound plan of Tain Electricity showing boundary of area of supply, streets where mains to be laid in specified time, and transmission line. 2. Gazette notice 3. Draft special order 4-5. Duplicates of No.3 | 1927 |
| RHP30220 | Particulars of sale and plans (5) of estate of Cadboll (except the Invergordon portion). From Ordnance Survey | 1918 |
| RHP30905 | Architectural plan and section of proposed pigsties for Arthurville Home, Tain. | 1945 |
| RHP30911 | Volume containing 13 architectural plans, sections and elevations of Easter Ross Union Poorhouse. | 1847-1947 |
| RHP30911/1 | Architectural plan and elevations of Easter Ross Union Poorhouse. | 1847 |
| RHP30911/2 | Architectural plan of punishment cell of Easter Ross Union Poorhouse. | 1876 |
| RHP30911/3 | Architectural plan of wash house of Easter Ross Union Poorhouse. | 1863 |
| RHP30911/4 | Block plan of Easter Ross Union Poorhouse. | 1879 |
| RHP30911/5 | Architectural plan and elevations of Easter Ross Union Poorhouse. | [late 19th century] |
| RHP30911/6 | Architectural plan of part of ground floor of Easter Ross Union Poorhouse. | 1885 |
| RHP30911/7 | Architectural plan of doorway at Easter Ross Union Poorhouse. | 1904 |
| RHP30911/8 | Architectural plan of fire escape at Easter Ross Union Poorhouse. | 1905 |
| RHP30911/9 | Architectural plan and elevations of Easter Ross Union Poorhouse. | 1847 |
| RHP30911/10 | Architectural plan of Easter Ross Union Poorhouse. | 1947 |
| RHP30911/11 | Architectural plan of Easter Ross Union Poorhouse. | 1947 |
| RHP30911/12 | Architectural plan of hut at Easter Ross Union Poorhouse. | 1948 |
| RHP30911/13 | Architectural plan of casual block at Easter Ross Union Poorhouse. | 1945 |
| RHP30911/14 | Sketch [of Easter Ross Union Poorhouse] | 1948 |
| RHP30911/15 | Note relating to the Easter Ross Poorhouse drawings | 1906-1938 |
| RHP34711 | Architectural plan of Burgage Farm. | 1900 |
| RHP34777 | Architectural plan of Ardival Farm steading. | 1864 |
| RHP44805 | Architectural drawing of Easter Ross Union Poorhouse, Tain, Ross and Cromarty | 1847 |
| RHP44806 | Architectural plan of ground floor of Easter Ross Union Poorhouse at Tain. | 1848 |
| RHP44807 | Architectural plan of upper floor of Easter Ross Union Poorhouse at Tain. | 1848 |
| RHP44808 | Architectural elevation and section of Easter Ross Union Poorhouse at Tain. | 1848 |
| RHP44809 | Architectural plan of roof, garrets and cellars of Easter Ross Union Poorhouse at Tain. | 1848 |
| RHP44810 | Architectural plan of kitchen of Easter Ross Union Poorhouse at Tain. | 1849 |
| RHP44811 | Architectural section of kitchen of Easter Ross Union Poorhouse at Tain. | 1849 |
| RHP45173 | Plan of lands between Tain and Springfield belonging to Earl of Cromartie with part of Milncraig's property, with table of contents. | 10 Oct 1818 |
| RHP45174 | Sketch plan of two fields belonging to Hon. Mrs Hay Mackenzie of Cromartie 'lying westward to the burgh of Tain', with table of contents. | 4 Dec 1827 |
| RHP45225 | Architectural plans, elevations and section of shepherd's cottage to be erected at Glastullich. | May 187(-) |
| RHP79255 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet XXVIII) coloured and marked to show types of farming and farm boundaries | [1944-1955] |
| RHP79256 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet XXIX) coloured and marked to show type of farming and farm boundaries | [1944-1955] |
| RHP79265 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet XLI) coloured and marked to show types of farming and farm boundaries | [1944-1955] |
| RHP79266 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet XLII) coloured and marked to show types of farming and farm boundaries | [1944-1955] |
| RHP79276 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet LIV) coloured and marked to show types of farming and farm boundaries | [1944-1955] |
| RHP81236 | Plan of estate of Rosemount, the property of Hugh MacIntosh | 1863 |
| RHP81650 | Plan (from Ordnance Survey) of land acquired by Tain Town Council at Tain Station (London Midland and Scottish Railway) | [c 1923] |
| RHP81732 | Plan (from Ordnance Survey) showing boundaries at Tain Station (British Railways) | 1969 |
| RHP82252 | Plan of property in King Street, Tain belonging to Trustees of late George Murray, senior | 20 Mar 1879 |
| RHP82274 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/1 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/1/1 | Cover of book of plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/1/2 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/1/3 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/1/4 | Back cover of book of plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/2 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/2/1 | Cover of book of plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/2/2 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/2/3 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/2/4 | Back cover of book of plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP94009 | Plans (including site plan), elevation, section and details of underbridge no. 99 at Tain (British Railways) | 22 Feb 1984 |
| RHP94227 | Plan (from Ordnance Survey) of Freight Sundries Depot (British Railway) | 20 Mar 1969 |
| RHP97670 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet XXVIII) coloured to show classification of land | [1944-1954] |
| RHP97673 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet XLI) coloured and marked to show classification of land | [1944-1954] |
| RHP97674 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet XLII) coloured and marked to show classification of land | [1944-1954] |
| RHP97678 | Ordnance Survey 6 inch plan (Ross and Cromarty, sheet LIV) coloured and marked to show classification of land | [1944-1954] |
| RHP127028 | Plan, elevations, and section of roof of Engine Shed at Tain, London Midland and Scottish Railway, Ross and Cromarty | 1923-1947 |
| RHP131634 | Weight diagram showing elevation, plan and sections of bridge carrying Portmahomack Road over railway at 43 miles 45 chains south of Tain Station (London, Midland and Scottish Railway) | c 1933 |
| RHP131635 | Weight diagram showing elevation, plan and sections of bridge carrying Cemetery Road, Tain over railway at 44 miles 17 chains at Tain Station (London, Midland and Scottish Railway) | c 1933 |
| RHP131636 | Weight diagram showing elevation, plan and sections of bridge carrying Shore Road, Tain over railway at 44 miles 40 chains between Tain and Edderton Stations (London, Midland and Scottish Railway) | c 1933 |
| RHP131637 | Weight diagram showing elevation, plan and sections of bridge carrying Meikle Ferry Road, north of Tain over railway at 46 miles 64 chains between Tain and Edderton Stations (London, Midland and Scottish Railway) | c 1933 |
| RHP140146 | Architectural drawing of Knockbreck House, Stafford Street and streets off, Tain, Ross and Cromarty | Dec 1919 |
| RHP142034 | Plans of lands of Bogbain, Tain, Ross and Cromarty | [1838] |
| RHP142034/1 | Plan of part of lands of Bogbain, Tain, Ross and Cromarty | [1838] |
| RHP142034/2 | Plan of part of lands of Bogbain, Tain, Ross and Cromarty | [1838] |
| RHP143076 | Plan of part of road between Tain and Balintore, near Balnagall Farm | 1943 |
| RHP143400/8/27 | Ordnance Survey 6 inch plan, Ross and Cromarty, Sheet NH 77 NE | 1960s-1970s |
| RHP143400/8/29 | Ordnance Survey 6 inch plan, Ross and Cromarty; Sutherland, Sheet NH 78 NW | 1960s-1970s |
| RHP143400/8/40 | Ordnance Survey 6 inch plan, Ross and Cromarty, Sheet NH 87 NW | 1960s-1970s |
| RHP143400/8/43 | Ordnance Survey 6 inch plan, Ross and Cromarty, Sheet NH 88 SE | 1960s-1970s |