| RHP3686 | Plan of roads in Lauderdale | Aug 1826 |
| RHP3906 | Plan of Kings Inch enlarged from a plan of the estate of Channelkirk | 1833 |
| RHP4107 | Sectional plan of Lauder Light Railway, with plan of bridge over Gala Water and plan of the rails used in the Blackdog Light Railway, Berwickshire | 1898 |
| RHP4108 | Sectional plan of culverts and cattle guards for Lauder Light Railway, Berwickshire | 1898 |
| RHP5670 | 1-2. Bound plans and sections (2 copies) of North British Railway works at Inverkeithing, Humbie and oxton.
3. Book of Reference thereto. | 1903 |
| RHP10000/EL14 | Plan of all the coal and mines of coal under the Estate of Newton | 1938 |
| RHP20704 | Photostat copy of plan of the division of a common between the lands of Addinston, the property of the Marquis of Tweeddale, and the lands of Wiselawmill (Waislawmill), the property of the Earl of Lauderdale | 1844 |
| RHP20734 | Photostat copy of plan of Nether Bowerhouse | 1852 |
| RHP20739 | Photostat copy of plan of Wiselawmill and Farmfoot, showing course of flood water of the Cleekhimin Burn | 1909 |
| RHP20787 | Photostat copies (3) of alternative architectural plans of house at Bowerhouse (Original plans are numbered 2, 4 and 5; 2 and 4 being in pencil on opposite sides of one sheet of paper) | 1904 |
| RHP20788 | Photostat copies (3) of alternative architectural plans of cattle sheds at Collielaw farm | Early 20th century |
| RHP27474 | Ordnance Survey 1/2500 plan marked to show position of proposed station at Oxton (Lauder Light Railway). | 1898 |
| RHP27501 | Gradient diagram of the Lauder Light Railway. | 1903 |
| RHP27521 | General arrangement drawing of point and signal for the [Lauder Light Railway]. | 1901 |
| RHP27527 | Plan of Lauder and Oxton Stations with details of platform and loading bank walls (Lauder Light Railway). | 1899 |
| RHP27567 | Plan and sections of Oxton Station (Lauder Light Railway). | 1901 |
| RHP27571 | Plan of Oxton Station marked to show surplus land (Lauder Light Railway). | 1901 |
| RHP30006 | Ordnance Survey 1/2500 plan (Berwickshire, XIII, II) marked to show boundaries of the village of Oxton. | 1923 |
| RHP30007 | Ordnance Survey 1/2500 plan (Berwickshire, XIII, II) marked to show boundaries of the village of Oxton. | 1898 |
| RHP30009 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIII) marked to show property of Mr Niddrie at Overhowden, etc. and Mr Mason at Herriotshall. | 1859 |
| RHP30010 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIX) marked to show boundaries and acreages. | 1860 |
| RHP30028 | Plan (3 copies) of Channelkirk new burial ground showing lairs. | 1932 |
| RHP30029 | Plan of Channelkirk new burial ground showing lairs. (Damaged) | 1932 |
| RHP30030 | Architectural plan and elevation of front wall of Channelkirk new burial ground. | 1932 |
| RHP30041 | Plan of statute labour roads in the district of Lauder | 1842 |
| RHP30043 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIII) marked to show line of proposed railway from Fountainhall Station on the North British Railway to Lauder. | 1871 |
| RHP30044 | Bound plans and sections of Lauder Light Railway from Fountainhall Station to Lauder. | 1896 |
| RHP40780 | 1. Bound plans and sections of deviation of Lauder Light Railway and land to be acquired near Oxton (North British Railway).
2. Duplicate of no. 1 | 1903 |
| RHP77201 | Ordnance Survey 6 inch plan (Berwickshire, sheet VII.SW) coloured and marked to show type of farming and farm boundaries | [1944-1954] |
| RHP77202 | Ordnance Survey 6 inch plan (Berwickshire, sheet VII.SE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP77254 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIII.NW) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP77255 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIII.SW; Midlothian, parts of sheets XXI & XXIA) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP77256 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIII.NE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP77257 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIIIA.NE) coloured to show type of farming and farm boundary | [1944-1954] |
| RHP77258 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIIIA.SE; Midlothian, part of sheet XXI) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP77259 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIII.SE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP77275 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIX.NE) coloured and marked to show types of farming and farm boundaries | [1944-1954] |
| RHP77276 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIX.NW) coloured and marked to shoe types of farming and farm boundaries | [1944-1954] |
| RHP83940 | Plan of part of lands of Glengelt, Channelkirk, Berwickshire | 1784 |
| RHP83945 | Plan of Braefoot lands, Channelkirk, Berwickshire | Feb 1810 |
| RHP83959 | Architectural drawing of farm offices at Mountmill, Channelkirk, Berwickshire | 1833 |
| RHP83962 | Architectural drawing of house at Glengelt, Channelkirk, Berwickshire | Jan 1929 |
| RHP83963 | Architectural drawing of house at Glengelt, Channelkirk, Berwickshire | Jan 1929 |
| RHP83964 | Architectural drawing of shepherd's cottage and outbuilding at Glengelt, Channelkirk, Berwickshire | Jan 1929 |
| RHP83970 | Architectural drawing of new mill at Mountmill, Channelkirk, Berwickshire | 1831-1832 |
| RHP83979 | Plan of land excambed between farms of Headshaw and New Channelkirk, Berwickshire | Oct 1826-Jan 1827 |
| RHP85567 | Plan of estate of Channelkirk, Berwickshire and Midlothian | 1833 |
| RHP95778 | Ordnance Survey 6 inch plan (Berwickshire, sheet XIX.NE) coloured and marked to show classification of land | [1944-1955] |