| RHP1216 | Plan of the drainage into the reservoirs of Rothesay Mills | nd |
| RHP5221/1 | Bound plan and sections of work at Rothesay Harbour. | 1896 |
| RHP5221/2 | Bound plan and sections of work at Rothesay Harbour. | 1898 |
| RHP5222 | Bound plan and sections of work at Rothesay Harbour. | 1920 |
| RHP5333 | Plan of the lands of Ardbeg, Rothesay, Buteshire | 1843 |
| RHP5633 | Bound plans and sections of Rothsay Tramways extensions (Book of Reference attached.) | 1902 |
| RHP6910 | Architectural drawings of St. Brendans Church, Rothesay | Aug-Nov 1888 |
| RHP6910/1 | St. Brendans Church, Rothesay: ground floor plan | Aug 1888 |
| RHP6910/2 | St. Brendans Church, Rothesay: gallery floor plan | Aug 1888 |
| RHP6910/3 | St. Brendans Church, Rothesay: front elevations | Aug 1888 |
| RHP6910/4 | St. Brendans Church, Rothesay: west elevation | Aug 1888 |
| RHP6910/5 | St. Brendans Church, Rothesay: back elevation | Aug 1888 |
| RHP6910/6 | St. Brendans Church, Rothesay: longitudinal section | Aug 1888 |
| RHP6910/7 | St. Brendans Church, Rothesay: transverse section | Aug 1888 |
| RHP6910/8 | St. Brendans Church, Rothesay: plan and sections of masonry | Aug 1888 |
| RHP6910/9 | St. Brendans Church, Rothesay: plan, elevation and section of doorway masonry | Aug 1888 |
| RHP6910/10 | St. Brendans Church, Rothesay: elevation of window masonry | Aug 1888 |
| RHP6910/11 | St. Brendans Church, Rothesay: elevation of window masonry | Aug 1888 |
| RHP6910/12 | St. Brendans Church, Rothesay: sections of roofing beams | Aug 1888 |
| RHP6910/13 | St. Brendans Church, Rothesay: plan and elevations of octagonal stair | Aug 1888 |
| RHP6910/14 | St. Brendans Church, Rothesay: ground floor plan | Oct 1888 |
| RHP6910/15 | St. Brendans Church, Rothesay: transverse section | Oct 1888 |
| RHP6910/16 | St. Brendans Church, Rothesay: transverse section | Oct 1888 |
| RHP6910/17 | St. Brendans Church, Rothesay: section showing wooden sections | Oct 1888 |
| RHP6910/18 | St. Brendans Church, Rothesay: [basement] plan | Oct 1888 |
| RHP6910/19 | St. Brendans Church, Rothesay: plan, elevation and section of front door | Nov 1888 |
| RHP6910/20 | St. Brendans Church, Rothesay: ground floor plan | Nov 1888 |
| RHP6910/21 | St. Brendans Church, Rothesay: roof plan | Oct 1888 |
| RHP6910/22 | St. Brendans Church, Rothesay: west elevation | Oct 1888 |
| RHP6910/23 | St. Brendans Church, Rothesay: gallery floor plan | Oct 1888 |
| RHP6910/24 | St. Brendans Church, Rothesay: plan, elevation and section of staircase | Oct 1888 |
| RHP6910/25 | St. Brendans Church, Rothesay: front elevation | Oct 1888 |
| RHP6910/26 | St. Brendans Church, Rothesay: east elevation | Nov 1888 |
| RHP7107 | Architectural drawing of Rothesay church, Buteshire | 23 Aug 1796 |
| RHP7108 | Architectural drawing of Rothesay parish church, Buteshire | Nov 1905 |
| RHP7109 | Architectural drawings of Rothesay Parish church, Bute | [1907] |
| RHP7109/1 | Rothesay Parish church, Bute: seating plan | [1907] |
| RHP7109/2 | Rothesay Parish church, Bute: seating allocations | 1907 |
| RHP7110 | Architectural drawing of [Rothesay Parish church, Buteshire] | [Late 19th century] |
| RHP7111 | Architectural drawing of [Rothesay parish church, Buteshire] | [Late 19th century] |
| RHP7112 | Architectural drawing of Rothesay parish church, Buteshire | [1905] |
| RHP13128 | Tracing sketch plan of harbours of Port Bannatyne and Rothesay: 1892. | 1892 |
| RHP13561 | Architectural plan, elevation and section of stables owned by a carriage-hirer in Rothesay: 1878. | 1878 |
| RHP14107 | Photostat copy of volume of plans, being a survey of the Isle of Bute, the patrimonial estate of the Earl of Bute, including the island of Inchmarnock and part of Great Cumbrae Island: (Original plans drawn on parchment)
The photocopies in RHP 14107 are of, as follows:-
1. Description of the Isle of Bute.
2-3. Description and plan of North and South Kellsbog, Glen Callum, North Garrochty, Kinnygaven and Branzet.
4-5. Description and plan of South Garrochty and Dunagoil.
6-7. Description and plan of Lubas and Largizean.
8-9. Description and plan of the "Buts" on Kilchattan Bay.
10-11. Description and plan of Meikle Kilchattan.
12-13. Description and plan of Little Kilchattan and Kirymenoch Mckirdy.
14. Plan of Bruchag and Kerrytonlia.
15. Plan of Kerrylamont.
16-17. Description and plan of Mountstuart park and gardens.
18-19. Description and plan of Mountstuart Newfarm.
20-21. Description and plan of Scoulag, North and South Kerrycroy, Ascog and Kerrycrusach.
22-23. Description and plan of Langalcorad, Quochag, Langalbuinoch and Culevine.
24-25. Description and plan off Quochag Moor Buts and Drumreoch.
26-27. Description and plan of Stravanan, Kerrymenoch Stuart, Gallachan, Ardnahoe and Birgidale Crieff.
28-29. Description and plan of Ambrismore and Ardnahoe.
30-31. Description and plan of Birgidale Knock and Barnauld. 32-33. Description and plan of Grenach and Lochly.
34-35. Descripton and plan of the burgh lands on the south side of Rothesay and of Roseland, Windyhall and Townhead.
36-37. Description and plan of the burgh lands on the east side of Rothesay.
38. Plan of the town of Rothesay.
39-40. Description and plan of the burgh lands on the north and west side of Rothesay and of Cnocanriach, Hillhead and Redivoil. 41-42. Description and plan of Quien and Barmore.
43-44. Description and plan of Glenchromy, Chapelton, Balilone and Craigbiorach.
45-46. Description and plan of Scalpsie, Ardscalpsie, Mecknoch and Little Kilmory.
47-48. Description and plan of Barone Park, Barone and Eskchraggan.
49-50. Description and plan of Meikle Kilmory , Kerryfearn, Cuagach and Ballycurry.
51-52. Description and plan of Upper and Nether Ardroscadale. 53-54. Description and plan of Ballanlay, Ballycaul, Achantirie, Greenan and Dunalant.
55-56. Description and plan of North and South Leargivrechtan, Creslagvourity and Dunalant.
57-58. Description and plan of Little and Meikle Etterick and Kilbride.
59-60. Description and plan of Drumachloy.
61-62. Description and plan of Kildavanan, Scarrel, Butleachen and Lenihall.
63-64. Description and plan of Achavoulig and High and Laigh Glenmore.
65-66. Description and plan of Glecknabae and Lenihuline.
67-68. Description and plan of Kilmichael.
69-70. Description and plan of Balnakailly.
71-72. Description and plan of Rudhbodach and Tawney.
73-74. Description and plan of Bullochreg and Shalunt.
75-76. Description and plan of Culnashambrug and Stuck.
77-78. Description and plan of Ardmaleish.
79-80. Description and plan of Inchmarnock.
81. Description of Great Cumbrae and of Nether Kirkton and Mid Kirkton, being the south-west part of the island.
82. Plan of Nether Kirkton and Mid Kirkton, in Great Cumbrae. 83-84. Description and plan of Upper Kirkton and Breckoch, in Great Cumbrae. | 1758-1759 |
| RHP14108 | Photostat copy of plan of the farms of Kerrycrusach, Kerrycroy and Mid Ascog, showing proposed improvements | 1820 |
| RHP14226 | Ordnance Survey 1/2500 plan (Buteshire, CCIV.6) | 1919 |
| RHP14262 | Photostat copy of plan of the estate of Kames | Early 19th century |
| RHP14263 | Photostat copy of plan of Rothesay and lands around | 1830 |
| RHP14629 | Plan of the estate of Kames, Bute | 1807-1810 |
| RHP30854 | Volume containing 3 architectural plans and elevations of new parish home at Rothesay. | c 1925 |
| RHP37948 | Plan of the harbour and pier at Rothesay, Bute | 1779 |
| RHP38049 | Photocopy of plan of the West Common lands of Rothesay (Rothsay). | 1771 |
| RHP40635 | 1. Bound plan and section of Rothesay Harbour.
2. Gazette notice
3. Ordnance Survey 1/2500 plan marked to show extension to Rothesay Harbour. | 1881 |
| RHP41846 | 1. Bound plan and sections of intended works and lands to be acquired under Rothesay Water Scheme: 2. Book of reference 3. Draft provisional order 4-5. Duplicates of nos.1-2 | 1936 |
| RHP41851 | Plan of Rothesay Cemetery: | 7 April 1902 |
| RHP41852 | Plan and sections of roads proposed to be formed on glebe lands at Rothesay by James King Hewison, DD, MA: | 5 November 1906 |
| RHP41853 | Plan and sections (2 sheets) of proposed improvement to Academy Road, Rothesay: | 18 March 1931 |
| RHP41854 | Sketch elevation of lifeguard on tram [Rothesay Tramways]: | [early 20th century] |
| RHP41855 | Sketch plan and elevation of handbrake mechanism on tram [Rothesay Tramways]: | [early 20th century] |
| RHP47685 | Bound plans and sections of Rothesay Harbour proposed new works, harbour wall, extension to Albert Pier and dredging | Nov 1920 |
| RHP82099 | Photocopy of plan of estate of Kames, with table of contents | 1836 |
| RHP82100 | Photocopy of plan of bay and harbour of Rothesay with the proposed improvements | 1820 |
| RHP93256 | Architectural plans and elevations showing the intended repairs and additions to Mr McLea's manse, Rothesay | 12 Apr 1790 |
| RHP141042 | Architectural drawing of house in Tower Lane, Rothesay, Isle of Bute | 26 Aug 1841 |
| RHP141808 | Architectural drawing of Burgh of Rothesay Gas Works | 12 Dec 1914 |