Copy letter from Robert William Frederick Harrison, to Monsieur le Dr Basile Bouktioff, 26 Avenue Kleber, Paris Acknowledges receipt of Bouktioff's letter of the 13th addressed to the President [Sir Joseph Lister]. Any paper intended for reading before the Society must be communicated by a Fellow and no paper which has already been read before another institution may be received for communication to the Royal Society. Harrison has therefore to return Bouktioff's typewritten communication herewith [not attached]. 19 November 1896