| RHP3331 | Particulars of Sale and Plan of the Baronies of Redcastle and Kinnell | 1885 |
| RHP4420 | Plan of the Inverkeilor and Kinnell estate, Angus | 1918 |
| RHP6049 | Plan of the baronies of Redcastle and Kinneli at Inverkeillor, for sale. | 1885 |
| RHP129995-129996 | Drawings showing elevations, plans sections and details of girders and other steelwork for reconstruction of Lunan Viaduct (North British Railway) | c 1923 |
| RHP129998-130005 | Eight blueprints showing elevations, plans, sections and details of steelwork for widening of Lunan Water Viaduct (London and North Eastern Railway) | 1930 |
| RHP130027-130029 | Three drawings showing elevations, plans, sections and details of steelwork for widening bridge [No 250] over Public Road at Myreside near Inverkeillor on Arbroath and Montrose Railway (North British Railway) | 1896 |
| RHP15187 | 1-2. Architectural plan and elevation (2 copies) of gatekeeper's house at Leysmill Station (Scottish North Eastern Railway): 1860 3. Specification therefor | 1860 |
| RHP15865 | Plan of Leysmill Station (Arbroath and Forfar Railway): 1848 | 1848 |
| RHP16894 | Plan of Leysmill Station (Aberdeen Railway). | c 1850 |
| RHP17625 | Plan of proposed widening of the North British Railway between Inverkeilor Station and rock cutting beyond Boddin. | 1900 |
| RHP25146 | Plan of alterations at Inverkeillor Station (London and North Eastern Railway). | 1932 |
| RHP25149 | Plan and section of proposed doubling of line between Inverkeillor and Usan (London and North Eastern Railway). | 1924 |
| RHP25314 | Plan of proposed alteration to main line connection at Inverkeilor (North British Railway). | 1910 |
| RHP30473 | Sketch plan showing present boundary and proposed new area of Friokheim quoad sacra parish. | 1923 |
| RHP35199 | Plan of the baronies of Inverkeilor (Inverkeillor) and Kinnell, showing lots to be sold | 1885 |
| RHP37351 | Plan of accident to the 6.45pm Aberdeen to Edinburgh train, 5.11.61, at Inverkeilor (British Railways). | 1961 |
| RHP40093 | 1. Diagram plan of the Caledonian Railway between Guthrie and Colliston Stations marked to show public roads and their distances from various stations. 2-3. Correspondence between James Wilkie, contractor, Dundee and McLauchlin, Anderson & Mann, contractors, Glasgow about carting material required for Arbroath Waterworks 4. Carting book | 1905 |
| RHP75563 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.SE) marked to show farm boundaries | [1944-1955] |
| RHP75565 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.SE) marked to show farm boundaries | [1944-1955] |
| RHP75566 | Ordnance Survey 6 inch plan (Angus, sheet XL.NW) marked to show farm boundaries | [1944-1955] |
| RHP75567 | Ordnance Survey 6 inch plan (Angus, sheet XL.NE) marked to show farm boundaries | [1944-1955] |
| RHP75568 | Ordnance Survey 6 inch plan (Angus, sheet XL.NE) marked to show farm boundaries | [1944-1955] |
| RHP75569 | Ordnance Survey 6 inch plan (Angus, sheet XL.SE) marked to show farm boundaries | [1944-1955] |
| RHP75570 | Ordnance Survey 6 inch plan (Angus, sheet XL.SW) marked to show farm boundaries | [1944-1955] |
| RHP75571 | Ordnance Survey 6 inch plan (Angus, sheet XLI.SW) marked to show farm boundaries | [1944-1955] |
| RHP75572 | Ordnance Survey 6 inch plan (Angus, sheet XLI.NW) marked to show farm boundaries | [1944-1955] |
| RHP75588 | Ordnance Survey 6 inch plan (Angus, sheet XLVI.NW) marked to show farm boundaries | [1944-1955] |
| RHP75589 | Ordnance Survey 6 inch plan (Angus, sheet XLVI.NE) marked to show farm boundaries | [1944-1955] |
| RHP81476 | Plan of Leysmill Station (Caledonian Railway): June 1890, corrected to 8 June 1915 | Jun 1890-Jun 1915 |
| RHP82030 | Photocopy of table of measurement of estate of Ethie, taken from Mr Blackadder's survey | May 1817 |
| RHP82031 | Photocopy of draft plan of farm of Boghead | [Early 19th century] |
| RHP82032 | Photocopy of draft plan of farm of South Mains | [Early 19th century] |
| RHP82035 | Photocopy of draft plan of farm of Caircockhead [West Mains], with table of contents | 1814 |
| RHP82036 | Photocopy of draft plan of farms of Rosehill and Lady Mary Anns Butts, with table of contents | 1814 |
| RHP82037 | Photocopy of draft plan of farm of South Mains, with table of contents | 1814 |
| RHP82040 | Photocopy of draft plan of farms of North Mains, Newmill, Raesmill, Craigpark and Ethie Greens, with tables of contents | 1814 |
| RHP82042 | Photocopy of draft plan of farms of Boghead and Rumkinno | [Early 19th century] |
| RHP82079 | Photocopy of plan of estate of Ethie, the property of Rt. Hon. Earl of Northesk, with table of contents | Oct 1814 |
| RHP82082 | Photocopy of plan of farm of Boghead, with table of contents | Oct 1814 |
| RHP82083 | Photocopy of plan of farm of Caircockhead, with table of contents | Oct 1814 |
| RHP82086 | Photocopy of plan of Ethie, with table of contents | Oct 1814 |
| RHP82089 | Photocopy of plan of farms of North Mains and New Mill, with tables of contents | Oct 1814 |
| RHP82090 | Photocopy of plan of farm of Raesmill, with table of contents | Oct 1814 |
| RHP82091 | Photocopy of plan of farm of Rosehill, with table of contents | Oct 1814 |
| RHP82092 | Photocopy of plan of farm of Rumkemno, with table of contents | Oct 1816 |
| RHP82093 | Photocopy of plan of Seaton of Auchmithie and Rumkemno (Rumkimno), with table of contents | 1838 |
| RHP82094 | Photocopy of plan of farm of South Mains, with table of contents | Oct 1814 |
| RHP82095 | Photocopy of draft plan of South Mains | [Early 19th century] |
| RHP82096 | Photocopy of plan of farm of West Mains, Ethie, with table of contents | [Early 19th century] |
| RHP82098 | Photocopy of architectural plan of alternative design for ground floor of Ethie House | 25 Nov 1879 |
| RHP84476 | Architectural plans, elevations and section, with site plan, of proposed addition and alterations to station house at Leysmill (British Railways) | [c 1948] |
| RHP86261 | Plan of baronies of Redcastle and Kinnell | 1885 |
| RHP128870 | Drawing showing elevation, plan, section and details of Masonry Bridge No 257 at Courthill, Inverkeillor (London and North Eastern Railway) | c 1931 |
| RHP128871 | Drawing showing elevation and sections for extension to culvert No 258 between Inverkeillor and Usan (London and North Eastern Railway) | c 1931 |
| RHP129997 | Hand coloured drawing showing elevation, plan, section and details of reconstruction of Lunan Water Viaduct (North British Railway): 1907 annotated with the signatory to the builder's offer. 5 September 1907 | 1907 |
| RHP135908 | Plan of proposed doubling of railway line between Inverkeilor Station and Usan, (London & North Eastern Railway Company) | 9 & 21 February 1931 |
| RHP140769 | Plan of Caledonian Railway between Guthrie and Leysmill | Apr 1877 |
| RHP141377 | Plans of Kinaldie water supply | 1944 -1950 |
| RHP141377/1 | Plan of Kinaldie water supply | 24 Jan 1944 |
| RHP141377/2 | Plan of Kinaldie water supply | 23 Mar 1950 |
| RHP141377/3 | List of water meters | nd |
| RHP141902 | Plan of plantations at Lawton, Angus | 1824 |
| RHP141906 | Plan of Lawton Mill and Millfield Mill | 25 Mar 1839 |
| RHP142049 | Plans of Friockheim burial ground extension, Angus | 1969 |
| RHP142049/1 | Location and site plans | Jun 1969 |
| RHP142049/2 | Layout plan | Jan 1969 |
| RHP143281 | Engineering drawing of bridge over Lunan Water at 6 miles 40 chains on Arbroath and Montrose Railway (North British Railway) | Late 19th century |
| RHP143400/12/122 | Ordnance Survey 6 inch plan, Angus, Sheet NO 65 SW | 1960s-1970s |