Copy letter from Robert William Frederick Harrison, to Edward M. Borrajo, City Librarian, Guildhall Library, E.C. 'Dear Sir, In answer to your letter of October 25th., the volume on the Eruption of Krakatoa is no longer at disposal for gifts to Libraries. A few cloth copies still remain on sale. It was published at thirty shillings. I am, faithfully yours, Robt [Robert] Harrison Assistant Secretary R.S. [Royal Society]'. 28 October 1907