Copy letter from Robert William Frederick Harrison, to C E Fagah, Assistant Secretary, Natural History Museum, Cromwell Road, S.W. 'Dear Sir, I have the pleasure to send a copy of Part II of the Reports of the Mediterranean Fever Commission to help make up the set in the Natural History Museum. Unfortunately Part I is now out of print, and I am unable to supply a copy. I am, faithfully yours, Robt [Robert] Harrison Assistant Secretary R.S. [Royal Society]'. 11 June 1907