| RHP352 | Ordnance Survey 6 inch plan (Wigtownshire, Sheet 4) | 1855 |
| RHP3727 | Ordnance Survey 6 inch plan (Wigtownshire, XI.N.W.), marked at Monument Wood: 1909. | 1909 |
| RHP3736 | Ordnance Survey 6 inch plan (Wigtownshire, Sheet 9) marked to show Glengyre estate: 1896. | 1896 |
| RHP3737 | Plan of the Ervie belonging to the Countess Dowager of Galloway. (Vignette of tree) | 1780 |
| RHP3739 | Plan of Dhuloch (Dowlach) belonging to the Countess Dowager of Galloway: 1780. | 1780 |
| RHP3743 | Plan of Glengyre and Glengyre Croft the property of Sir Andrew Agnew of Lochnaw. | 1869 |
| RHP3747 | Plan of Ervie, Kirkcolm, Wigtownshire | [c 1820] |
| RHP3748 | Plan of High Glengyre the property of Sir Andrew Agnew: 1828. | 1828 |
| RHP3750 | Plan of the Lochnaw Estate, Wigtownshire | [19th century] |
| RHP3751 | Plan of Ervie the property of Sir Andrew Agnew: 1828. | 1828 |
| RHP3757 | Plan of the lands of Clendrie and Glenside, Wigtownshire | 1855 |
| RHP3759 | Tracing of plan of West Dhuloch | [19th century] |
| RHP3760 | Plan of Laigh Glengyre belonging to the Countess Dowager of Galloway: 1780. | 1780 |
| RHP3762 | Plan of the farms of Kirminnoch and Marslauch, Wigtownshire | 1819 |
| RHP3763 | Plan of Dhuloch (Douloch) and High Glengyre part of the barony of Corsewall: 1808. | 1808 |
| RHP3765 | Plan of the lands of Dhuloch (Dowloch), Wigtownshire | [c 1850] |
| RHP3768 | Plan of Ervie and Low Glengyre part of the barony of Corsewall: 1808. | 1808 |
| RHP3769 | Sketch plan of High Glengyre: 1828. | 1828 |
| RHP3771 | Plan of Low Glengyre, Wigtownshire | [c 1850] |
| RHP4512 | Sketch plan of Barnhills and Knockneen. | 19th century |
| RHP4533 | Plan of Balsarroch. | 19th century |
| RHP4562/1-2 | Plan of proposed line of road through part of Salchrie, Dinduff and Craichmore, Leswalt, Wigtownshire | 1834 |
| RHP4577/1 | Plan of Dinduff, Kirkcolm, Wigtownshire | 1819 |
| RHP4577/2 | Plan of Dinduff, Kirkcolm, Wigtownshire | [19th century] |
| RHP4583 | Plan of Craigoch Barony. | 1792 |
| RHP4608/1-2 | Plan of barony of Craigoch, Wigtownshire | 1792 |
| RHP4621 | Reduced plan of the estates of Corsewall'. Engraved by W & D Lizars, Edinburgh | 1815 |
| RHP4650 | Plan of Drumdow and Balsarroch occupied by Mr William Crighton. | 19th century |
| RHP4651 | Plans (14, stitched together) of lands in West Corsewall estate. | 19th century |
| RHP4719 | Plan and section of proposed improvement of road at Garliehawes. | 1851 |
| RHP4785 | Plan of Wierston (Weirston). | 1864 |
| RHP4786 | Plan of part of Wierston, Kirkcolm, Wigtownshire | 1862 |
| RHP4787 | Plan of part of Wierston, Kirkcolm, Wigtownshire. | 1862 |
| RHP4788 | Plan of part of the lands of Wierston, Kirkcolm, Wigtownshire | 1869 |
| RHP4789 | Plan of part of the lands of Weirston, Kirkcolm, Wigtownshire | 1869 |
| RHP4804 | Sketch plan of ground at Ervie exchanged with Sir A Agnew. | 1876 |
| RHP4815 | Plan of West Kirkbryde. | 1883 |
| RHP4819 | Plan of South Cairn. | 1909 |
| RHP4835 | Sketch plan of Bankswell and buildings there. | 1952 |
| RHP4841 | Ordnance Survey 6 inch plan of Kirkcolm parish, Wigtownshire | post 1909 |
| RHP4842 | Plan of Loch Ryan (from an Admiralty plan) | 1841 |
| RHP4843/1 | Ordnance Survey 1/2500 plan of Corsewall Point. | Early 20th century |
| RHP4843/2 | Ordnance Survey 6 inch plan of Corsewall Point, marked to show location of signal station. | Early 20th century |
| RHP4843/3 | Ordnance Survey 1/2500 plan of Laggan Hill, marked. | Early 20th century |
| RHP4843/4 | Ordnance Survey 6 inch plan of Laggan Hill area | Early 20th century |
| RHP4910 | Architectural plan and elevation of proposed repairs to steading at Knockneen, Kirkcolm, Wigtownshire | 1935 |
| RHP4911 | Architectural plan of proposed reconstruction of barn and stable range of buildings damaged by fire at Balgown Farm, Kirkcolm, Wigtownshire | 1941 |
| RHP4921 | Architectural plan of proposed alterations and new porch for Low Dinduff dwelling house, Kirkcolm, Wigtownshire | 1903 |
| RHP4957 | Architectural plan of proposed improvements to dwelling house at Dally Farm. | 1938 |
| RHP4960 | Architectural plan of proposed cart and implement shed at Barnhills, Kirkcolm, Wigtownshire | 1942 |
| RHP4964 | Architectural plan of proposed new 27 cow single byre at Knockneen, Kirkcolm, Wigtownshire | 1940 |
| RHP34112 | Admiralty chart of Loch Ryan, with inset of Stranraer Harbour. | 1901 |
| RHP42540 | Plan of shore line of Lochnaw Estate and foreshore claimed | [early 20th century] |
| RHP44274 | 1. Ordnance Survey 6 inch plan marked between Knock Bay and Milleur Point to show farms and land belonging to the Earl of Stair, Sir Andrew Agnew and John Carrick Moore. 2. Duplicate of no 1, also marked | 1872 |
| RHP46219 | Admiralty chart of Loch Ryan | 1839-1841 |
| RHP75178 | Ordnance Survey 6 inch plan (Wigtownshire, sheet IV.NE) marked to show farm boundaries | [1944-1955] |
| RHP75179 | Ordnance Survey 6 inch plan (Wigtownshire, sheet IV.SE) marked to show farm boundaries | [1944-1955] |
| RHP75180 | Ordnance Survey 6 inch plan (Wigtownshire, sheet V.NW) marked to show farm boundaries | [1944-1955] |
| RHP75182 | Ordnance Survey 6 inch plan (Wigtownshire, sheet V.SW) marked to show farm boundaries | [1944-1955] |
| RHP75198 | Ordnance Survey 6 inch plan (Wigtownshire, sheet X.NE) marked to show farm boundaries | [1944-1955] |
| RHP75199 | Ordnance Survey 6 inch plan (Wigtownshire, sheet X.SE) marked to show farm boundaries | [1944-1955] |
| RHP75200 | Ordnance Survey 6 inch plan (Wigtownshire, sheet XI.NW) marked to show farm boundaries | [1944-1955] |
| RHP75202 | Ordnance Survey 6 inch plan (Wigtownshire, sheet XI.SW) marked to show farm boundaries | [1944-1955] |
| RHP85127 | Admiralty chart of Loch Ryan, with inset of Stranraer Harbour: 30 November 1900, corrected to 1917 | 1900-1917 |
| RHP86195 | Sketch plan of parish of Kirkcolm and part of Leswalt showing location of schools | c 19th century |
| RHP97397 | Ordnance Survey 6 inch plan (Wigtownshire, sheet IV.NE) coloured and marked to show classification of land | [1944-1954] |
| RHP97398 | Ordnance Survey 6 inch plan (Wigtownshire, sheet V.NW) coloured and marked to show classification of land | [1944-1954] |
| RHP97400 | Ordnance Survey 6 inch plan (Wigtownshire, sheet V.SW) coloured and marked to show classification of land | [1944-1954] |
| RHP97409 | Ordnance Survey 6 inch plan (Wigtownshire, sheet X.NE) coloured and marked to show classification of land | [1944-1954] |
| RHP97410 | Ordnance Survey 6 inch plan (Wigtownshire, sheet X.SE) coloured and marked to show classification of land | [1944-1954] |
| RHP97411 | Ordnance Survey 6 inch plan (Wigtownshire, sheet XI.NW) coloured and marked to show classification of land | [1944-1954] |
| RHP97413 | Ordnance Survey 6 inch plan (Wigtownshire, sheet XI.SW) coloured and marked to show classification of land | [1944-1954] |
| RHP99061 | Plans of Loch Ryan | 1839-1859 |
| RHP99061/1 | Loch Ryan | 1839-1859 |
| RHP99061/2 | Loch Ryan | 1839-1859 |