Notes which were incorporated into the final manuscript version of ‘Thermography’ by John Francis Campbell, under such headings as ‘Pictorial Thermography’ and ‘Solar Thermography’., 1882-1883., Adv.MS.50.6.10. 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://nlssb.as.atlas-sys.com/repositories/2/archival_objects/16837 Accessed September 24, 2024.