| Collection | Reference |
| Yeaman (Frank Cameron), Sir, Scottish Nationalist and Politician (1931-2006) | Acc.12944 |
| Yes Tweeddale: Scottish Independence Referendum 2014 | Acc.13615 |
| Yester Hours [microfilm] | Acc.7888 [Mf.MSS.376] |
| Young (Andrew John), Poet and Naturalist | MSS.19740-19767 |
| Young (Douglas Cuthbert Colquhoun), Poet and Critic | Acc.6419 |
| Young (Douglas Cuthbert Colquhoun), Poet and Critic | Acc.7085 |
| Young (Douglas Cuthbert Colquhoun), Poet and Critic | Acc.8144 |
| Young (Edward), Writer, Edinburgh | Acc.5197 |
| Young (Frank H. ), Civil Engineer, Edinburgh | Acc.13270 |
| Young Women's Christian Association of Scotland | Acc.11906 |
| Younger (Ernest), Emigrant to Toronto from Tillicoultry | Acc.9407 |
| Younger (George), Baron Younger of Prestwick and 4th Younger of Leckie | Acc.13116 |
| Yule Collection | Ch.2416-2476 |
| Yule Collection | MSS.3134-3185 |
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