| RHP1193/1-4 | 1-3. Plans, (3) of Kilmory estate. 4. Measurement and valuation of Kilmory estate 1812; | 1816 |
| RHP1194/1 | Plan of the estate of Minard, Argyll | 1839 |
| RHP1194/2 | Plan of the estate of Minard, Argyll | 1839 |
| RHP1194/3 | Plan of the estate of Minard, Argyll | Aug 1839 |
| RHP1194/4 | Plan of the estate of Minard, Argyll | 1839 |
| RHP3540 | Plan of the fourth part of Silvercraigs | [Early 19th century] |
| RHP5489 | Plan of the Crinan Canal, Argyll | 1823-1848 |
| RHP6783 | Ordnance Survey 6 inch plans, marked to show the estate of Poltalloch, Argyll | 1939 |
| RHP10398 | Plan of apparatus for the manufacture of oil gas to be erected for the Lochgilphead Gas Co. at Lochgilphead, Argyll | 31 May 1887 |
| RHP13083 | Plan of Crarae Pier: 1891. | 1891 |
| RHP13085 | Plan of Kilmory Quay: 1891. | 1891 |
| RHP14216 | Ordnance Survey 1/2500 plan (Argyllshire, CLX.12), marked to show site of accident near Badden: [c 1928]. | c 1928 |
| RHP14644 | Plan of the estate of Minard: 1839 (Vignettes of views of Minard House) | 1839 |
| RHP14645 | Ordnance Survey 1/2500 plans (3 - Argyllshire, CL. 16, CIL. 9 & 13), marked to show policies of water supply to Minard Castle: post 1899 | 1899 |
| RHP20468 | Plan, section and elevation of sluice on waste weir at Lochgilphead Asylum water works | Late 19th century |
| RHP22111 | Photostat copy of plan of the proposed Crinan Canal between the Lochs of Crinan and Gilp in the county of Argyll surveyed at the expense of His Grace the Duke of Argyll and the Earl of Breadalbane | 1792 |
| RHP22200 | Plan of lairs at Achnabreac Cemetery, Argyll | 17 Apr 1947 |
| RHP25396 | Ordnance Survey 1 inch map marked to show proposed Clyde, Ardrishaig and Crinan Railway. | 1887 |
| RHP30070 | Plan of lands of Achnaba, Glassary, Argyll | Late 19th century |
| RHP30071 | Plan of lands surrounding Achnaba House, Glassary, Argyll | Late 19th century |
| RHP30076 | Sketch elevation of unspecified machinery on Kilmory home farm, Lochgilphead, Glassary, Argyll | 1907 |
| RHP30871 | Volume containing 11 architectural plans, sections and elevations and site plans of Lochgilphead Poorhouse. | 1860-1900 |
| RHP31805 | Plan of Lag, Glassary, Argyll | 1808 |
| RHP31806 | Plan of Dailaneireanch (Darrenernoch), Glassary, Argyll | 1808 |
| RHP31812 | Photostat copy of copy plan of Achnabreck (Auchnabreck), Achnashelloch (Auchnashellach) and Dunamuck (Dunnamuck) [copied 1850] | 1831/1850 |
| RHP31813 | Photostat copy of copy plan of Achnabreck, Auchoish (Achachoish), Achnashelloch and Dunamuck (Dunnamuck), copied 1850 | 1837/1850 |
| RHP31814 | Photostat copy of plan of Drimvore Farm | 1840 |
| RHP31816 | Photostat copy of plan and section of new road to Glasvaar (Glassver) | 1841 |
| RHP31820 | Photostat copy of elevation and section of bridge and road near Kirnan | Mid 19th century |
| RHP31829 | Photostat copies of: 1. bound plans and sections of Ardrishaig and Loch Awe Railway to south end of Loch Awe. 2. parliamentary Bill relating thereto | 1864 |
| RHP31833 | Photostat copies of Ordnance Survey 1/2500 plans (Argyllshire, CXLIX.16, CLX. 3,8,12) marked to show parts of proposed line of Clyde, Ardrishaig and Crinan Railway | [1886] |
| RHP31834 | Photostat copies of Ordnance Survey 1/2500 plans (Argyllshire, CXLIX.16, CLX. 3,8,12) marked to show parts of proposed line of Clyde, Ardrishaig and Crinan Railway | [1886] |
| RHP31835 | Photostat copies of Ordnance Survey 1/2500 plans (Argyllshire, CXLIX.16, CLX. 3,8,12) marked to show parts of proposed line of Clyde, Ardrishaig and Crinan Railway | [1886] |
| RHP31836 | Photostat copies of Ordnance Survey 1/2500 plans (Argyllshire, CXLIX.16, CLX. 3,8,12) marked to show parts of proposed line of Clyde, Ardrishaig and Crinan Railway | 1886 |
| RHP31839 | Photostat copies of Ordnance Survey 6 inch plans (Argyllshire, sheets CXLIX, CLX - copies, CLXI), marked to show estate, RHP.31840 also showing slate quarries | [Late 19th century] |
| RHP31840 | Photostat copies of Ordnance Survey 6 inch plans (Argyllshire, sheets CXLIX, CLX - copies, CLXI), marked to show estate, RHP.31840 also showing slate quarries | [Late 19th century |
| RHP31841 | Photostat copies of Ordnance Survey 6 inch plans (Argyllshire, sheets CXLIX, CLX - copies, CLXI), marked to show estate, RHP.31840 also showing slate quarries | [Late 19th century] |
| RHP31842 | Photostat copies of Ordnance Survey 6 inch (Argyllshire, sheets CXLIX, CLX - 2 copies, CLXI), marked to show estate, RHP31840 also showing slate quarries | Late 19th century |
| RHP34110 | Admiralty chart of Lochgilp, Millport and East Loch Tarbert. | 1893 |
| RHP43224 | Ordnance Survey 6 inch plan marked to show Kilmory estate. Ex GD.365 | 1938 |
| RHP45155 | Plans and sections of part of Clyde, Ardrishaig and Crinan Railway between Dunamuck and pier at Crinan Loch. | 1886 |
| RHP49119 | 1. Plan of line of march between Torbhlaran (Torblaran) and Ducharnan (Duchaornan) with proposed new line of march
2. Specification for march dike | 27 Jun 1835 |
| RHP76206 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXXXI.SE) marked to show farm boundaries | [1944-1954] |
| RHP76226 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXXXVIII.NE) marked to show farm boundaries | [1944-1954] |
| RHP76227 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXXXIX.NE) marked to show farm boundaries | [1944-1954] |
| RHP76229 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXXXVIII.SE) marked to show farm boundaries | [1944-1954] |
| RHP76230 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXXXIX.NW) marked to show farm boundaries | [1944-1954] |
| RHP76231 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXXXIX.SW) marked to show farm boundaries | [1944-1954] |
| RHP76232 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXXXIX.SE) marked to show farm boundaries | [1944-1954] |
| RHP76233 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXL.NW) marked to show farm boundaries | [1944-1954] |
| RHP76236 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXL.SW) marked to show farm boundaries | [1944-1954] |
| RHP76237 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXL.SE) marked to show farm boundaries | [1944-1954] |
| RHP76238 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXL.SE) marked to show farm boundaries | [1944-1954] |
| RHP76391 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXLIX.NE) marked to show farm boundaries | [1944-1954] |
| RHP76393 | Ordnance Survey 6 inch plan (Argyllshire, sheet CXLIX.SE) marked to show farm boundaries | [1944-1954] |
| RHP76394 | Ordnance Survey 6 inch plan (Argyllshire, sheet CL.NW) marked to show farm boundaries | [1944-1954] |
| RHP76395 | Ordnance Survey 6 inch plan (Argyllshire, sheet CL.NE) marked to show farm boundaries | [1944-1954] |
| RHP76396 | Ordnance Survey 6 inch plan (Argyllshire, sheet CL.SE) marked to show farm boundaries | [1944-1954] |
| RHP76397 | Ordnance Survey 6 inch plan (Argyllshire, sheet CL.SW) marked to show farm boundaries | [1944-1954] |
| RHP76406 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLXXI.NW) marked to show farm boundaries | [1944-1954] |
| RHP76407 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLXXI.NE) marked to show farm boundaries | [1944-1954] |
| RHP76408 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLXXI.SW) marked to show farm boundaries | [1944-1954] |
| RHP76550 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLI.NW) marked to show farm boundaries | [1944-1945] |
| RHP76552 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLI.SW) marked to show farm boundaries | [1944-1945] |
| RHP76561 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLX.NW) marked to show farm boundaries | [1944-1945] |
| RHP76562 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLX.NE) marked to show farm boundaries | [1944-1945] |
| RHP76564 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLX.SE) marked to show farm boundaries | [1944-1945] |
| RHP76565 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLXI.NW) marked to show farm boundaries | [1944-1945] |
| RHP76566 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLXI.NE) marked to show farm boundaries | [1944-1945] |
| RHP76567 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLXI.SW) marked to show farm boundaries | [1944-1945] |
| RHP76568 | Ordnance Survey 6 inch plan (Argyllshire, sheet CLXI.SE) marked to show farm boundaries | [1944-1945] |
| RHP85454 | Plan of village of Lochgilphead, Glassary, Argyllshire | 1852 |
| RHP85455 | Plan of lands north of Lochgilphead, with table of contents | [Early 19th century] |
| RHP85456 | Plan of estate of Lochgilp, the property of John McNeill, with table of contents | [Late 18th century] |
| RHP85457 | Plan and sections of proposed new road in village of Lochgilphead | 1868 |
| RHP85458 | Plans of estate of Auchendarroch, Argyllshire | 1913 |
| RHP85462 | Plan of present and proposed new road at Lochgilphead Corran, Glassary, Argyllshire | Nov 1871 |
| RHP86167 | 1. Bound plans and sections of Ardrishaig and Loch Awe Railway (book of reference and Gazette notice bound in): November 1864
2. Duplicate of no. 1 | Nov 1864 |
| RHP86168 | 1. Bound plans and sections of Ardrishaig and Loch Awe Railway (book of reference and Gazette notice bound in): November 1865
2-4. Duplicate of no. 1 with book of reference and notice detached | Nov 1865 |
| RHP86183 | 1. Bound plans and sections of proposed Argyll Railway from Ardrishaig to Loch Crinan: 1845
2. Duplicate of no. 1 | 1845 |
| RHP88949 | Photocopy of plan of estate of Oakfield, with table of contents:1812, annotated 1829 | 1812-1829 |
| RHP96379 | Ordnance Survey 6 inch plan (Argyll, sheet CLX.SE) coloured to show classification of land | [1944-1955] |
| RHP96380 | Ordnance Survey 6 inch plan (Argyll, sheet CLXI.SW) coloured to show classification of land | [1944-1955] |
| RHP96382 | Ordnance Survey 6 inch plan (Argyll, sheet CLXXI.NW) coloured to show classification of land | [1944-1955] |
| RHP141314 | Architectural drawings of Loghgilphead United Free Church | c 1900 |
| RHP141314/1 | Block plan | nd |
| RHP141314/2 | Floor and gallery plans | nd |
| RHP141314/3 | South and east elevations | nd |
| RHP141314/4 | North and west elevations | nd |
| RHP141314/5 | Sections | nd |
| RHP141315 | Architectural drawings of Lochgilphead Parish Church | 1959 |
| RHP141315/1 | Church and church hall floor plans | 1959 |
| RHP141315/2 | Church elevations | 7 Aug 1959 |
| RHP141315/3 | Church hall elevations | 6 Aug 1959 |
| RHP141316 | Architectural drawing of Lochgilphead Parish Church | 20th century |
| RHP142802 | Ordnance Survey 6 inch plan (Argyllshire sheet CL) | [1887] |
| RHP142803 | Ordnance Survey 6 inch plan (Argyllshire sheet CL) | [1887] |
| RHP143340 | Ordnance Survey One Inch plan showing parish of Glassary and registration districts | [1905] |