Papers of the Sykes family of Sledmere > Papers of Sir Mark Sykes (1879-1919) (Second deposit of Papers of the Sykes family) > Correspondence > File of general correspondence. Letters and telegrams to Mark Sykes > Letter from W D Elsam, National Vaccination Officers' Association, Sedgebrook, 59 King Edward's Grove, Teddington and copy of Mr Burn's speech in the House of Commons Friday 17th June 1910.