| RHP562/5 | Plan of the roads beside Carlingwark Loch, Kirkcudbrightshire | [c 1790] |
| RHP3367 | Photostat copy of plan of the estate of Threave Castle | 1868 |
| RHP6180 | Plan of the barony of Castle Douglas | 1793 |
| RHP15411 | Bound plans and sections of Glasgow and South Western Railway works at Paisley, at College Station in Glasgow, and at Castle Douglas: 1882 | 1882 |
| RHP17067 | Architectural plan, section and elevation of standard pattern of station master's house and booking office to be erected at Crossmichael, Palnure and Castle Kennedy Stations (Portpatrick Railway). | 1868 |
| RHP24704 | Architectural plans, elevations and sections and detail plans of Buchan Lodge for Earl of Galloway. | 1845 |
| RHP24705 | Architectural and detail plans of cottage near Buchan Lodge. | 1845 |
| RHP24706 | Architectural plans, elevations and sections and detail plans (15) of Buchan farm house. (Series of plans numbered 1, 7-9 and plans without numbers). | c 1845 |
| RHP25222 | Plan and sections of Castle Douglas Station marked to show the property of the Kirkcudbright, Portpatrick, and Castle Douglas and Dumfries Railways, corrected to 1868. (Damaged) | 1864/1868 |
| RHP30178 | 1. Bound plan and sections of junction of Kirkcudbright Railway with Castle Douglas and Dumfries Railway at Castle Douglas. 2. Book of reference thereto (with Gazette notice) 3. Duplicate of No.1 4-5. Duplicates of No.2 (without Gazette notice) | 1864 |
| RHP30179 | 1. Bound plan and sections of Glasgow and South Western Railway's junction railway at Castle Douglas in connection with Kirkcudbright Railway. 2. Book of reference thereto (with parliamentary notice) 3-4. Duplicates of Nos.1-2 | 1864 |
| RHP30180 | 1. Bound plan and sections of Castle Douglas Water works and conduits. 2. Book of reference thereto (with notice for order) 3. Provisional order | 1878 |
| RHP30181 | Bound plan (with book of reference and parliamentary notice attached) of land to be acquired at Castle Douglas Station by Glasgow and South Western Railway. | 1882 |
| RHP32254 | Plan of alteration of signalling arrangements at Castle Douglas (Glasgow and South Western Railway). | 1887 |
| RHP32255 | Plan of ground at Castle Douglas Station to be feued (Portpatrick and Wigtownshire Joint Railways). | 1888 |
| RHP32256 | Plan of site of war memorial at Castle Douglas (Portpatrick and Wigtownshire Joint Railways). | c 1920 |
| RHP32257 | Plan of pipe line casement facilities for Shell Mex Ltd at Castle Douglas Station (London Midland and Scottish Railway). | 1925 |
| RHP32258-32259 | Plans and sections of siding to slaughter house at Castle Douglas (London Midland and Scottish Railway ). | 1926 |
| RHP32260 | Plan of Castle Douglas Station showing Anglo American Oil Co's kerosene tanks: (London Midland and Scottish Railway). | 1930 |
| RHP32541 | Plan of Castle Douglas Station (British Rail). | 1956 |
| RHP35856/1-4 | Set of tracing plans showing alterations to roads near Castle Douglas Station: [1856 or post] 1-2. Plans of roads before and after alteration by the Portpatrick Railway Company 3-4. Plans of further proposed alterations | 1856 |
| RHP35858/1-6 | Plans and sections of proposed alterations to turnpike roads at points on the line of the Kirkcudbright Railway, as marked in that company's Parliamentary plans.
1. Alterations at 0 mls. 5 furs. on the Parliamentary plan
2. Alterations at 1 ml. 5 furs. (Tongland Bridge)
3. Alterations at 5 mls. 4 furs. (near Barncrosh)
4. Alterations at 6 mls. 4 furs.
5. Alterations at 7 mls. 5 furs.
6. Alterations at 9 mls. 7 furs. (Crossmichael Road Railway Bridge) | 1862 |
| RHP42206 | Seating plan of Kelton church: | Jun 1936 |
| RHP46849 | Sketch plan of unfeued lands of Castle Douglas belonging to guardians of Sir George William Abercromby, bit. | 6 June 1898 |
| RHP48957 | *Photocopy 1. Plan of Carlingwark (Carlinewark) town belonging to Alexander Gordon of Culvennan, advocate 2. Table of contents | November/7 December 1786 |
| RHP78082 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIX.SE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78083 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIX.NW) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78084 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIX.NE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78085 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIX.SW) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78087 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet L.NW) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78089 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet L.SW) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78123 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLII.NE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78126 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLII.SE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78127 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIII.NW) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP78129 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIII.SW) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP84738 | Architectural plan of stationmaster's house above station offices at Castle Douglas in connection with proposed bathroom and hot water supply (London Midland and Scottish Railway) | [c 1923] |
| RHP93249 | Copy sketch plan of lands in burgh of Castle Douglas formerly the property of David Clarke, with table of contents | 4 Mar 1808 |
| RHP93865 | Plan of part of [Castle Douglas] showing location of an accident | May 1931 |
| RHP93866 | Plan of part of [Castle Douglas] showing location of an accident | [1931] |
| RHP96996 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLII.NE) coloured to show classification of land | [1944-1954] |
| RHP96997 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLII.SE) coloured to show classification of land | [1944-1954] |
| RHP96998 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIII.NW) coloured and marked to show classification of land | [1944-1954] |
| RHP97000 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet XLIII.SW) coloured and marked to show classification of land | [1944-1954] |
| RHP97006 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet L.NW) coloured and marked to show classification of land | [1944-1954] |
| RHP97008 | Ordnance Survey 6 inch plan (Kirkcudbrightshire, sheet L.SW) coloured and marked to show classification of land | [1944-1954] |
| RHP99035/1 | Scroll working plan no. 1 | Nov-Dec 1857 |
| RHP99036/1 | Scroll working sections no. 1 | Dec 1857 |
| RHP99069 | Plans and sections of the Kirkcudbright Railway | 1860 |
| RHP99304 | Plans of proposed Castle Douglas Station, Castle Douglas and Dumfries Railway | Feb 1859 |
| RHP99304/1 | Plan | 14 Feb 1859 |
| RHP99304/2 | Plan | 28 Feb 1859 |
| RHP117050 | Technical drawing of bridge No.60 carrying A75 over railway at Castle Douglas (London Midland and Scottish Railway) | [c1933] |
| RHP120309 | Tracing showing plans and details of girders for bridges between Castle Douglas and Tarff (Glasgow & South Western Railway) | 1885 |
| RHP140534 | Plan of farm of Keltonhill, Threave Castle estate | 3 Jan 1882 |
| RHP140748 | Plan of Castle Douglas and Dumfries section of Glasgow and South Western Railway | 22 Jun 1874 |
| RHP141952 | Plan of the parish of Crossmichael, Kirkcudbrightshire | 17 Nov 1776-Feb 1792 |
| RHP141954 | Book of reference for survey of Castle Douglas barony, Kirkcudbrightshire | Nov 1792-Jan 1793 |
| RHP143063 | Plan of wood yard at Oakwell Mill, [Castle Douglas] | [1931] |