| RHP186 | Plan of the roads between Nairn and Millhill, with explanation and references, Nairnshire | 1797 |
| RHP186/1 | Plan of the roads between Nairn and Millhill, Nairnshire | 1797 |
| RHP186/2 | Explanation and references of plan of the roads between Nairn and Millhill, Nairnshire | 1797 |
| RHP510 | Map of the estuary of the River Findhorn and the adjacent coast, Morayshire | Jan 1858 |
| RHP789 | Plan of the line of Inverness and Perth Junction Railway through the estate of Brodie, Morayshire | nd |
| RHP829 | Plan of the Inverness and Aberdeen Junction Railway, through the parishes of Auldearn and Dyke and Moy, on the property of William Brodie of Brodie: 1858 | 1858 |
| RHP1026 | Plan of the contraverted ground between Belmackardoch and Kinnudie, Nairnshire | 1771 |
| RHP1414 | Plan of the estates of Brodie, Inshoch and Penick, property of William Brodie | 1825 |
| RHP1421/1-3 | Plan of lands of Lethen, Auldearn, Nairn | [19th century] |
| RHP1424 | Plan of the farm of Woodend, Auldearn, Nairn | 1869 |
| RHP3031 | Plan of road alterations at Kinsteary | [19th century] |
| RHP9380 | Plan of marches and disputed moor betwixt Sir Alexander Grant and the Laird of Kilraick in the moors of Kinnudie and Househill | [1763] |
| RHP12003 | Plan of portion of road leading from Auldearn to Brae of Brightmony. | 1858 |
| RHP13946 | Plan of the controverted marches betwixt Cawdor (Calder) and Kilravock on the south side of the River Nairn, showing the course of the river from Kilravock House to Broadley (Bradley): 1744. | 1744 |
| RHP14271 | Photostat copy of plan of the lands of barony of Brodie, the seat of James of Brodie | 1770 |
| RHP14272 | Photostat copy of plan of the Water of Nairn from the Kirk of Nairn to the sea, the stell fishings in the sea and the lands adjacent | 1794 |
| RHP14450 | Photostat copy of plan of Millhill | 1857 |
| RHP14451 | Photostat copy of plan of Easter Hardmuir | 1858 |
| RHP14452 | Plan of the farm of Feddan | 1859 |
| RHP14453 | Plan of the farm of Lochloy, Nairnshire | 1860/1863 |
| RHP14455 | Plan of Wester Hardmuir, Nairnshire | 1862 |
| RHP14456 | Photostat copy of plan of the farm of Bogside | 1868 |
| RHP14459 | Photostat copy of Ordnance Survey 1/2500 plan (Nairnshire, II.11), marked to show drainage at Ellands | Late 19th century |
| RHP18203 | Plan of the Great North of Scotland Railway from Brodie to Nairn. | 1872 |
| RHP23141 | Plan of roads leading through the Moor of Balmakeith, Nairnshire | 1797 |
| RHP23142 | Draft plan of the marches between the lands of Brodie of Brodie and Dunbar of Boath in the vicinity of Millhill, Nairnshire | 1782 |
| RHP42442 | Plan of mouth of River Nairn and fishings in dispute between James Brodie of Brodie, the town of Nairn and their vassals | 1793 |
| RHP46302 | 1. Plan and section of proposed turnpike road from Nairn to near Loch of Belivat 2. Diplicate of no. 1 | 27 November 1837 |
| RHP46305 | Plan of proposed turnpike road from Blackley Crossroads (Wester Breachley) to Auldearn village, with book of reference | 27 Nov 1839 |
| RHP46305/1 | Plan and section of proposed turnpike road from Blackley Crossroads (Wester Breachley) to Auldearn village | 27 Nov 1839 |
| RHP46305/2 | Book of reference relating to plan and section of proposed turnpike road from Blackley Crossroads (Wester Breachley) to Auldearn village | 1839 |
| RHP46306 | Plan and section of new [turnpike] road from Achnacloich to the Hardmuir Tollbar | 27 November 1839 |
| RHP49579 | Ordnance Survey 6 inch plan marked to show extent of Kinsteary and Fleenas Estates | 1888 |
| RHP77030 | Ordnance Survey 6 inch plan (Morayshire, sheet X.NW; Nairnshire, parts of sheets IIA & II) | [1944-1945] |
| RHP77032 | Ordnance Survey 6 inch plan (Morayshire, sheet X.SW; Nairnshire, part of sheet II) | [1944-1945] |
| RHP77288 | Ordnance Survey 6 inch plan (Nairnshire, sheet I.SE) marked to show farm boundaries | [1944-1954] |
| RHP77289 | Ordnance Survey 6 inch plan (Nairnshire, sheet I.SE) marked to show farm boundaries | [1944-1954] |
| RHP77290 | Ordnance Survey 6 inch plan (Nairnshire sheet II.SW) marked to show farm boundaries | [1944-1954] |
| RHP77291 | Ordnance Survey 6 inch plan (Nairnshire, sheet II.SE; Morayshire, parts of sheets X & XV) marked to show farm boundaries | [1944-1954] |
| RHP77292 | Ordnance Survey 6 inch plan (Nairnshire, sheets IIA.SW & II.NW) marked to show farm boundaries | [1944-1954] |
| RHP77293 | Ordnance Survey 6 inch plan (Nairnshire, sheet II.SE; Morayshire, parts of sheets X & XV) marked to show farm boundaries | [1944-1954] |
| RHP77294 | Ordnance Survey 6 inch plan (Nairnshire, sheet II.SE; Morayshire, parts of sheets X & XV) marked to show farm boundaries | [1944-1954] |
| RHP77295 | Ordnance Survey 6 inch plan (Nairnshire, sheets IIA.SE & II.NE) marked to show farm boundaries | [1944-1954] |
| RHP77298 | Ordnance Survey 6 inch plan (Nairnshire, sheet IV.SE) marked to show farm boundaries | [1944-1954] |
| RHP77299 | Ordnance Survey 6 inch plan (Nairnshire, sheet IV.NE) marked to show farm boundaries | [1944-1954] |
| RHP77300 | Ordnance Survey 6 inch plan (Nairnshire, sheet IV.NE) marked to show farm boundaries | [1944-1954] |
| RHP77301 | Ordnance Survey 6 inch plan (Nairnshire, sheet IV.NE) marked to show farm boundaries | [1944-1954] |
| RHP77302 | Ordnance Survey 6 inch plan (Nairnshire, sheet IV.SE) marked to show farm boundaries | [1944-1954] |
| RHP77304 | Ordnance Survey 6 inch plan (Nairnshire, sheet V.NW) marked to show farm boundaries | [1944-1954] |
| RHP77305 | Ordnance Survey 6 inch plan (Nairnshire, sheet V.SW) marked to show farm boundaries | [1944-1954] |
| RHP77306 | Ordnance Survey 6 inch plan (Nairnshire, sheet V.SE) marked to show farm boundaries | [1944-1954] |
| RHP77307 | Ordnance Survey 6 inch plan (Nairnshire, sheet V.NE) marked to show farm boundaries | [1944-1954] |
| RHP78944 | Ordnance Survey 6 inch plan (Nairnshire, sheet V.NW) marked to show farm boundaries | [1944-1955] |
| RHP81614 | Section of proposed water supply at Auldearn for station and workmen's houses (Highland Railway) | Jun 1907 |
| RHP84510 | Architectural elevations of proposed steel supporting structure for water tank at Auldearn (London Midland and Scottish Railway) | 27 Mar 1934 |
| RHP84519 | Architectural plans and elevations of stationmaster's and workmen's houses at Auldearn in connection with proposed new sculleries, WCs and water supply (London Midland and Scottish Railway) | [c 1923] |
| RHP95885 | Ordnance Survey 6 inch plan (Nairnshire, sheet I.SE) coloured to show classification of land | [1944-1955] |
| RHP95886 | Ordnance Survey 6 inch plan (Nairnshire, sheets IIA.SW & II.NW) coloured to show classification of land | [1944-1955] |
| RHP97180 | Ordnance Survey 6 inch plan (Morayshire, sheet X.NW; Nairnshire, parts of sheets IIA & II) coloured and marked to show classification of land | [1944-1954] |
| RHP97182 | Ordnance Survey 6 inch plan (Morayshire, sheet X.SW; Nairnshire, part of sheet II) coloured and marked to show classification of land | [1944-1954] |
| RHP131617 | Weight diagram showing elevation, plan and sections of bridge carrying Eastertown Road over railway at 124 miles 76 chains between Brodie and Auldearn Stations (London, Midland and Scottish Railway) | c 1933 |
| RHP131618 | Weight diagram showing elevation, plan and sections of bridge carrying Loch Loy Road over railway at 125 miles 36 chains at Auldearn Station (London, Midland and Scottish Railway) | c 1933 |
| RHP140527 | Plan of Highland Railway near Nairn | 6 Jan 1881 |
| RHP141511 | Plan of part of Boath estate | 4 Jul 1836 |
| RHP141512 | Architectural drawing of Boath House | 4 Jul 1836 |
| RHP143400/8/38 | Ordnance Survey 6 inch plan, Nairnshire, Sheet NH 85 SE | 1960s-1970s |
| RHP143400/8/51 | Ordnance Survey 6 inch plan, Morayshire; Nairnshire, Sheet NH 95 NE | 1960s-1970s |
| RHP143400/8/52 | Ordnance Survey 6 inch plan, Morayshire; Nairnshire, Sheet NH 95 SE | 1960s-1970s |
| RHP143400/8/53 | Ordnance Survey 6 inch plan, Nairnshire, Sheet NH 95 SW | 1960s-1970s |