Letters in the Hutton Balfour bound correspondence from surnames beginning M Balfour, Professor John Hutton 333 letters from people with surnames beginning with M, to or belonging to Professor John Hutton Balfour that have been bound in to albums of correspondence, presumably by his son Isaac Bayley Balfour. 333 letters in bound volumes (part) https://atom-2.rbge.org.uk/letters-in-the-hutton-balfour-bound-correspondence-from-surnames-beginning-m M eng Collection is open to researchers by appointment, see (right click, open link in new tab:) https://www.rbge.org.uk/science-and-conservation/library-and-archives/visiting-the-library/