Handwritten note by Isaac Bayley Balfour indicating result of a search through the matriculation registers at Edinburgh University – George Don found in Index of Matriculated Students, 1804 – ‘Chem’, but not in any Matriculation Albums for 1802-1805
Two photocopied letters between Claridge Druce and Bayley Balfour regarding Druce’s account of Don and the suggestion that it be published in the Notes of the Royal Botanic Garden Edinburgh. February-March 1903.