Copy letter from Joseph Lister, to Major-General Sir Francis Walter de Winton Shall be much obliged if Winton will place the enclosed card of invitation [to the Soiree, not enclosed] before His Royal Highness the Duke of York, and express to him on behalf of the President and Council, the great gratification it would give them and the Fellows if HRH would honour them with his presence. 6 April 1900