- Forum Auctions (auction)
- Natural History Museum, London: NHM WP1/8/267
- British Library, The: BL Add. 46437 f. 6
As CR is attending meetings of the Geological Society, ARW wants to know about gases in glacier water - have they been ascertained and can CR give an authority on the subject. Has been busy with orchids; writing his article on the Aar gorge; has an invitation to lecture in Davos Platz from Dr Lund; makes an enquiry as to whether workers in the Orchid House at Kew exchange duplicates with amateurs.