Correspondence of John Francis Campbell with various Treasury officials on financial matters relating to the Coal Commission, along with a number of printed circulars on general business., 1866-1868., Adv.MS.51.1.7. Correspondence and papers, including many manuscripts in Gaelic, journals and yearbooks (with many photographs), albums of watercolour paintings and sketches, and experimental notebooks, of John Francis Campbell of Islay (1821-1885), Gaelic scholar and collector of oral tradition, traveller, scientist, official of the royal household and public servant., Adv.MSS.50.1.1-51.2.7. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/16857 Accessed April 19, 2024.