| Collection | Reference |
| R. and R. Clark, Printers, Edinburgh | Acc.12588 |
| R. and R. Clark, Printers, Edinburgh | Acc.6283 |
| R. and R. Clark, Printers, Edinburgh | Dep.229 |
| Rae (Thomas Ian), Dr., Keeper of Manuscripts, National Library of Scotland | Acc.10876 |
| Raeburn (Henry), Sir, Painter | Acc.11547 |
| Raffalovich (Marc Andre), Author | Acc.4112 |
| Raffalovich (Marc Andre), Author | Acc.4353 |
| Raffalovich (Marc Andre), Author | Acc.4630 |
| Raffalovich (Marc Andre), Author | Acc.5287 |
| Rafferty (Sean), Writer | Acc.12351 |
| Railway Clerks' Association | Acc.4262 |
| Railway Clerks' Association: Edinburgh No 1 Branch | Acc.4667 |
| Ramsay and Dundas of Ochtertyre Papers | Acc.10719 |
| Ramsay of Ochtertyre Papers | MSS.1635-1644 |
| Ramsay Psalter | Adv.MS.18.8.8 |
| Ramshorn Theatre | Acc.13260 |
| Rankin (Ian), Author | Acc.13205 |
| Rankin (Robert A. ), Minister of Langholm | Acc.10105 |
| Ransford (Tessa), Poet | Acc.12507 |
| Ransford (Tessa), Poet | Acc.13195 |
| Ravel Society of Darvel | Acc.4963 |
| Rawlins (F. Ian G.), FRSE | Acc.10067 |
| Raymond Press, Cullen | Acc.12322 |
| Raymond Press, Cullen | Acc.12322 |
| Red Book of Clanranald | Adv.MS.72.1.50 |
| Red Book of Clanranald | Adv.MSS.72.3.7, 73.1.11 |
| Red Book of Clanranald | MS.3152 |
| Reddie Family, Fife | MSS.5060-5065 |
| Redgauntlet | Adv.MS.19.2.29 [Mf.Sec.MSS.163] |
| Reformed Presbyterian Synod, Library | Acc.5881 |
| Regiam Majestatem | Adv.MS.25.4.10 |
| Regiam Majestatem | Adv.MS.25.4.13 |
| Regiam Majestatem | Adv.MSS.25.4.11-25.4.12 |
| Regiam Majestatem | Adv.MSS.25.4.14-25.4.15 |
| Regiam Majestatem | Adv.MSS.25.5.6-25.5.11 |
| Regiam Majestatem | Adv.MSS.7.1.9-7.1.10 |
| Regiam Majestatem | MSS.16987-16988 |
| Register of Robert Watt [microfilm] | Acc.3734 [Mf.MSS.82] |
| Register of Saint Andrews Priory, Pittenweem Priory and the Archbishopric of Saint Andrews | Adv.MS.17.1.3 |
| Register of the Chapel Royal, Stirling | Adv.9A.1.15 [transcript] |
| Register of the Chapel Royal, Stirling | Adv.MS.34.1.5 |
| Reid (A. J. McNeil) | Acc.6925 |
| Reid (Alastair), Author | Acc.10101 |
| Reid (Alastair), Author | Acc.12450 |
| Reid (Alastair), Author | Acc.12884 |
| Reid (Alastair), Author | Acc.13393 |
| Reid (Alastair), Author | Acc.7890 |
| Reid (Alastair), Author | MSS.27446-27464 |
| Reid (Alexander), Playwright | Acc.10652 |
| Reid (Alexander), Playwright | Acc.12002 |
| Reid (Alexander), Playwright | Acc.8348 |
| Reid (James J.), Sir | Acc.10017 |
| Reid (James McArthur) | Acc.5185 |
| Reid (John J. ), Advocate, Secretary of the Midlothian Liberal Association | MS.19623 |
| Reid (John Kelman Sutherland), Professor of Systematic Theology | Acc.9586 |
| Reid (John Macnair), `David Toulmin', Author | Dep.195 |
| Reid (John Macnair), `David Toulmin', Author | MSS.26260-26275 |
| Reid (Walter), Seal-engraver in Edinburgh and Paris | Acc.8621 |
| Reid (Walter), Seal-engraver in Edinburgh and Paris | Acc.9032 |
| Reith (George Murray), Minister of Saint Cuthbert's United Free Church, Edinburgh | Acc.3564 |
| Rennie (John), Sir, Engineer | MSS.19771-19986 |
| Renton (Ian Paterson), Minister of Saint Colm's, Edinburgh | Acc.9212 |
| Renton (Ronald), Schoolmaster | Acc.13153 |
| Rice (Thomas Spring), 1st Baron Monteagle | MS.2225 |
| Richards (Frank Roydon), Rector of Glasgow Academy | Acc.9094 |
| Richards and Ashburner Papers | MSS.20351-20410 |
| Richardson of Kirklands Papers | Acc.11603 |
| Richardson of Kirklands Papers | MSS.3989-3992 |
| Richardson of Pitfour Papers | MSS.20801-20987 |
| Richmond (John Ritchie), Sir | Acc.8921 |
| Riddell (Alan) | Acc.7538 |
| Riddell (George), Collector of Folk Songs | MSS.3041-3043 |
| Riddell (John), Peerage Lawyer | Adv.MSS.25.8.1-26.7.37 |
| Riddell (John), Peerage Lawyer | Ch.A.245-Ch.A.251 |
| Robb (Ernest), Emigrant to Australia | Acc.13121 |
| Robb (Ernest), Emigrant to Australia | Acc.13376 |
| Robert di Folco collection | Acc.12028 |
| Robert Donn Monument | Acc.12176 |
| Robert Tait Music Manuscript [microfilm] | Acc.5006 [Mf.MSS.151] |
| Robert Waterston, Printer and Stationer, Edinburgh | Acc.12330 |
| Roberts (David), Painter | Acc.10170 |
| Roberts (David), Painter | Acc.11672 |
| Roberts (David), Painter | Acc.11697 |
| Roberts (David), Painter | Acc.11760 |
| Roberts (David), Painter | Acc.11990 |
| Roberts (David), Painter | Acc.12158 |
| Roberts (David), Painter | Acc.13281 |
| Roberts (David), Painter | Acc.7723 |
| Roberts (David), Painter | Acc.7967 |
| Roberts (David), Painter | Acc.8729 |
| Roberts (David), Painter [microfilm] | Acc.7931 [Mf.MSS.378] |
| Roberts (David), Painter [microfilm] | Acc.7967 |
| Roberts (Edward Frederick Denis), Librarian, National Library of Scotland | Acc.11850 |
| Roberts (Edward Frederick Denis), Librarian, National Library of Scotland | Acc.11997 |
| Roberts (Irene), wife of Professor E.F.D. Roberts, Librarian, National Library of Scotland | Acc.13140 |
| Roberts (Michael), poet, critic, teacher, mountaineer | Acc.13145 |
| Roberts (Michael), poet, critic, teacher, mountaineer | Acc.13860 |
| Robertson (Alexander), Captain | Acc.12869 |
| Robertson (Atholl), Dr., Oban | Acc.10149 |
| Robertson (Cecile), Painter and Sculptor, née Walton | Acc.10425 |
| Robertson (Cecile), Painter and Sculptor, née Walton | Acc.11858 |
| Robertson (Cecile), Painter and Sculptor, née Walton | Acc.6569 |
| Robertson (Cecile), Painter and Sculptor, née Walton | Dep.285 |
| Robertson (Charles Moncrieff), Minister at Kilchoman | MSS.357-483 |
| Robertson (Edith Anne), Poet | MSS.26977-26984 |
| Robertson (Eric H. M.) | Acc.12121 |
| Robertson (Ian Macbeth) | Acc.11440 |
| Robertson (Ian), Lord | Acc.12914 |
| Robertson (James Logie), `Hugh Haliburton', Author | Acc.6578 |
| Robertson (James Logie), `Hugh Haliburton', Author | Acc.6659 |
| Robertson (James Logie), `Hugh Haliburton', Author | Acc.6664 |
| Robertson (James Logie), `Hugh Haliburton', Author | Dep.246 |
| Robertson (James), Civil Engineer | Acc.10012 |
| Robertson (James), Planter, Jamaica | MS.20991 |
| Robertson (James), Poet and Novelist | Acc.12113 |
| Robertson (James), Poet and Novelist | Acc.13247 |
| Robertson (Janet Logie), Poet | Acc.13277 |
| Robertson (Lewis), Sir, Businessman and Administrator | Acc.11679 |
| Robertson (Lewis), Sir, Businessman and Administrator | Acc.12345 |
| Robertson (Lewis), Sir, Businessman and Administrator | Acc.12517 |
| Robertson (Lewis), Sir, Businessman and Administrator | Acc.13065 |
| Robertson (Roger), of Ladykirk | Acc.12244 |
| Robertson (Thomas), Captain, Excise Service, Commander of the 'Royal Charlotte' of Leith | MSS.9641-9645 |
| Robertson of Ladykirk | Acc.12245 |
| Robertson of Ladykirk | MSS.998-999 |
| Robertson of Struan Papers | Acc.11488 |
| Robertson-MacDonald of Kinlochmoidart Papers | MSS.3942-3988 |
| Robinson (George) | Acc.9284 |
| Robinson (George), Historian of the Zulu War | Acc.6692 |
| Rodriques (Herman) | Acc.12985 |
| 'Roit of Quheill of Tyme' | MS.1746 |
| Romanes (George) | Acc.12749 |
| Rona and Torran Public Schools | Acc.7202 |
| Ronaldson Family | Acc.6530 |
| Ronaldson Family | Acc.9525 |
| Rose (George), Statesman | Ch.2595-2629 |
| Rose (George), Statesman | MS.17950 |
| Rose (George), Statesman | MS.3523 |
| Rose (George), Statesman | MSS.3795-3801 |
| Rose of Kilravock Music Manuscripts | Acc.11420 |
| Rosebery Papers | Acc.11626 |
| Rosebery Papers | Acc.8365 |
| Rosebery Papers | MSS.10001-10216 |
| Rosebery Psalter [microfilm] | Acc.3273 |
| Ross (Ethel) | Acc.10557 |
| Ross (Ethel) | Acc.12592 |
| Ross (Mabel), Weaver and Hand spinner | Acc.11234 |
| Ross (Mabel), Weaver and Hand spinner | Acc.12790 |
| Ross (Neil), Dr | Acc.12354 |
| Ross (Raymond), Editor of Cencrastus | Acc.12643 |
| Ross (Raymond), Editor of Cencrastus | Acc.12649 |
| Ross (William Baird) | Acc.11235 |
| Ross (William) | Acc.11236 |
| Ross Drawings | MSS.686-729 |
| Rosslyn Missal | Adv.MS.18.5.19 |
| Rowlands (E. I.), Cardiff | Acc.9383 |
| Roxburgh and Selkirk Divisional Labour Party | Acc.4145 |
| Roy (James A. ), Professor | Acc.4069 |
| Roy (James A. ), Professor | Acc.4078 |
| Roy (James A. ), Professor | Acc.4079 |
| Royal and Historical Autographs | Acc.10742 |
| Royal Burgess Golfing Society, Edinburgh | Acc.11095 |
| Royal Burgess Golfing Society, Edinburgh | Acc.12819 |
| Royal Burgess Golfing Society, Edinburgh | Dep.375 |
| Royal College of Physicians | Acc.3439 |
| Royal Highland Yacht Club | Dep.354 |
| Royal Lyceum Theatre | Acc.5085 |
| Royal Scottish Museum | MSS.25241-25251 |
| Royal Scottish Pipers' Society | Acc.13091 |
| Royal Scottish Pipers' Society | MSS.22098-22107 |
| Royal Scottish Society of Arts | Acc.4534 |
| Royal Scottish Society of Arts | Acc.7619 |
| Royal Scottish Society of Arts | Dep.230 |
| Royal Society of Edinburgh | Acc.10000 |
| Royal Society of Edinburgh | Acc.10072 |
| Royal Society of Edinburgh | Acc.12920 |
| Royal Society of Edinburgh | Acc.12932 |
| Royal Society of Edinburgh | Acc.12933 |
| Royle (Trevor Bridge), Author and Broadcaster | Acc.8551 |
| Ruddiman (Thomas), Keeper of the Advocates' Library | Acc.3517 |
| Ruddiman (Thomas), Keeper of the Advocates' Library | Ch.2060-2102 |
| Ruddiman (Thomas), Keeper of the Advocates' Library | MS.2918 |
| Ruddiman (Thomas), Keeper of the Advocates' Library | MS.5047 |
| Ruddiman (Thomas), Keeper of the Advocates' Library | MSS.3526-3527 |
| Ruddiman (Thomas), Keeper of the Advocates' Library | MSS.762-781 |
| Rush (Christopher), Author | Acc.13217 |
| Ruskin Bible | Adv.MS.1.1.1 |
| Russell (Arthur Walker), W.S., and Mountaineer | Acc.12690 |
| Russell (Florence M. ), Miss | Acc.10639 |
| Russell (John MacArthur) | Acc.9483 |
| Russell (Mary), wife of Hamilton Russell, Sheriff Substitute at Wick, nee Blackburn | Acc.12858 |
| Russell of Ashiestiel | Ch.2477 |
| Russell of Ashiestiel | MSS.3220-3235 |
| Russian Holographs | Acc.5435 |
| Russian newspaper articles: Scottish Independence Referendum 2014 | Acc.13624 |
| Rutherfurd (Andrew), Lord Rutherfurd, Senator of the College of Justice | Acc.10452 |
| Rutherfurd (Andrew), Lord Rutherfurd, Senator of the College of Justice | Ch.8896-8907 |
| Rutherfurd (Andrew), Lord Rutherfurd, Senator of the College of Justice | MSS.9686-9728 |
| Rutherfurd of Edgerston Papers | Acc.7676 |
| Rutherfurd of Edgerston Papers | Acc.7750 |
| Rutherfurd of Edgerston Papers | Acc.7753 |
| Rutherfurd of Edgerston Papers | Acc.7756 |
| Rutherfurd of Edgerston Papers | Acc.7777 |
| Rutherfurd of Edgerston Papers | Acc.7778 |
| Rutherfurd of Edgerston Papers | Acc.7843 |
| Rutherfurd of Edgerston Papers | Acc.7930 |
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