| RHP2597/1 | Plan of the estate of Tulloes, Dunnichen, Angus | 1838 |
| RHP2597/2-5 | Plan of the estate of Tulloes, Dunnichen, Angus | 1838 |
| RHP2603 | Plan of the estate of Tulloes | 1828 |
| RHP2604 | Plan of part of the estate of Tulloes | 1828 |
| RHP2615/1-6 | Plans of the lands of Guynd and Brax | 19th century |
| RHP2620 | Plans of plots on the lands of Tulloes: | 1824 |
| RHP2621 | Plan of the farm of Blackhillock with part of the Moor adjoining thereto | 1797 |
| RHP2622 | Sketch plan of the estate of Tulloes showing farms thereon | Early 19th century |
| RHP2623 | Ground plan of the Church of Dunnichen: | Late 18th century |
| RHP3297 | Plan of the estate of Tulloes, Dunnichen, Angus | 1838 |
| RHP7200 | Architectural drawing of Dunnichen parish church, Angus | Jun 1884 |
| RHP7201 | Architectural drawing of Dunnichen parish church, Angus | Jun 1884 |
| RHP34448 | Architectural sketch plan of property at Old Letham. | 1895 |
| RHP34473 | Architectural plan showing alteration to Letham Infant School. | 1903 |
| RHP75558 | Ordnance Survey 6 inch plan (Angus, sheet XXXVIII.SE) marked to show farm boundaries | [1944-1955] |
| RHP75559 | Ordnance Survey 6 inch plan (Angus, sheet XLV.NW) marked to show farm boundaries | [1944-1955] |
| RHP75560 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.NW) marked to show farm boundaries | [1944-1955] |
| RHP75561 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.NE) marked to show farm boundaries | [1944-1955] |
| RHP75562 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.NE) marked to show farm boundaries | [1944-1955] |
| RHP75563 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.SE) marked to show farm boundaries | [1944-1955] |
| RHP75564 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.SW) marked to show farm boundaries | [1944-1955] |
| RHP75565 | Ordnance Survey 6 inch plan (Angus, sheet XXXIX.SE) marked to show farm boundaries | [1944-1955] |
| RHP75583 | Ordnance Survey 6 inch plan (Angus, sheet XLV.NW) marked to show farm boundaries | [1944-1955] |
| RHP81309 | 1. Plan of estate of Tulloes
2. Duplicate of no. 1 | [Mid 19th century] |
| RHP81330 | Ordnance Survey 6 inch plan (Forfarshire, sheet XXXIX) marked to show lands of Idvies, Tulloes, Kinneries and Pressock | [c 1947] |
| RHP81331 | Ordnance Survey 6 inch plan marked to show Tulloes Estate | 1871 |
| RHP81333 | Ordnance Survey 6 inch plan (Forfarshire, sheet XXXIX) marked to show lands of Idvies, Tulloes, Kinneries, Pressock, Dumbarrow, Pitmuies and Dunnichen | [Late 19th century] |
| RHP89391 | 1. Photocopy of plan of lands of Letham: 23 November 1840 (Colour print)
2. Facsimile copy of book of reference listing names of feuars and possessors and their holdings, 1840. Facsimile produced in July 1989 | 1840-1989 |
| RHP131310 | Weight diagram showing elevation, plan and section of bridge carrying Mosside Road over Dundee to Forfar railway at 13 miles 76 chains between Kirkbuddo and Kingsmuir Stations (London, Midland and Scottish Railway) | 1933 |
| RHP131311 | Weight diagram showing elevation, plan and sections of bridge carrying Station Road, Kingsmuir over Dundee to Forfar railway at 14 miles 39 chains at Kingsmuir Station (London, Midland and Scottish Railway) | 1933 |
| RHP143400/12/87 | Ordnance Survey 6 inch plan, Angus, Sheet NO 44 NE | 1960s-1970s |
| RHP143400/12/89 | Ordnance Survey 6 inch plan, Angus, Sheet NO 44 SE | 1960s-1970s |
| RHP143400/12/105 | Ordnance Survey 6 inch plan, Angus, Sheet NO 54 NW | 1960s-1970s |
| RHP143400/12/108 | Ordnance Survey 6 inch plan, Angus, Sheet NO 54 SW | 1960s-1970s |