Copy letter from Robert William Frederick Harrison, to Dr H Forster Morley, International Catalogue Office, 34 & 35 Southampton Street, Strand, W.C. 'Dear Dr. Morley, I enclose a post-office order for £1 which has arrived for your department. I have got is signed up, as you will see. I am, Yours faithfully, T. E. James Clerk R.S. [Royal Society]'. 6 August 1901