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, A-Z > Postcard from Harold Longster, G. Longster & Sons, Seedsmen, Nurserymen, Art Florists, Yorkersgate and Wheelgate, Malton