- Forum Auctions (auction)
- Natural History Museum, London: NHM WP1/8/270
- British Library, The: BL Add. 46437 f. 34
ARW will be glad to try the Acer seeds; Mr Mitten would try them for Clement Reid. Mentions Loudon's 'Tree and Shrubs Encyclopaedia'. Enquires if Clement Reid has asked Mr Rogers of Southampton about them (the Acer seeds?).