Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Ernest Rutherford, OM, FRS 'Dr [Henry Hallett] Dale has asked me to send on to you the enclosed vivisection licenses in favour of Mr N. S. Barron and to say that he considers them suitable for your signature. I have made a pencil X opposite the four spaces where you should sign.' [Enclosure not present.] 26 January 1929