Letter from C.K. Murchison, Chief Postal Censor, Strand House, Carey Street, London, W.C.2., to Professor [Arthur] Schuster, The Secretary, Royal Society, Burlington House, W.1 Encloses a permit allowing the Royal Society to send materials to neutral and allied countries. Confirms the forwarding of two packets containing letters and copies of the Royal Society's "Memorandum of Committee on International Scientific Organisations" to their respective recipients in Paris and Rome [enclosure present]. 22 June 1918