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, including one letter from Winston Churchill > Letter from Exeter, Burghley House, Stamford, remembering their childhood friendship, and requesting Sykes to speak at a Tariff Reform Meeting in Stamford on the 'general policy of the party' on Irish Home Rule