Pen drawing of Reginald Blinker Hall WF Clarke's Personal Papers

Date: 1914-1918 Reference: HW 3/6 (4) Creator: Records created or inherited by Government Communications Headquarters (GCHQ) Catalogue context: Pen portraits, address and telephone lists for staff of Room 40; annual salary list for all staff in Admiralty Intelligence Division 25, including Room 40 and Naval Historical Section, Sept 1919; Lady Hambro's poem on Room 40 confidential waste; Mackesoncaricatures of Admiral Hall and Miss Tribe of Room 40 Categories: First World War Topics: Military and war Period: Early 20th Century Copyright information: Copyright clearance for publication is not required, except in the case of documents in third-party copyright. Usage terms: https://www.nationalarchives.gov.uk/documents/information-management/use-of-tna-materials.pdf