Letter from WSC (Admiralty), to 1st Lord Haldane [Secretary of State for War], on evidence collected by Captain Vernon Kell, [of MO5, later MI5] of German espionage in Britain, suggesting that it should be submitted to the legal authorities, as he might be required to make public statements about it, and about the arming of merchant ships. [Hand-written copy, in pencil, initialled by WSC].