DEFE 21937-1963Combined Operations Headquarters, and Ministry of Defence, Combined Operations Headquarters later Amphibious Warfare Headquarters: Records
These records of the Combined Operations Headquarters include war diaries; files on the administration, planning and execution of combined operations, arranged in alphabetical order of operational code-names; and a series of miscellaneous files on combined operations in general, covering administration, planning, training, armament, etc. There is an index of persons mentioned in the series of miscellaneous files. This series contains chiefly war diaries and retrospective reports of operations mounted during the Second World War. Included in the reports are planning papers, casualty details and recommendations for awards. Also included are similar papers of the post-war Amphibious Warfare HQ.
An official history of the Combined Operation Organization, 1940 to 1945, published by Amphibious Warfare Headquarters in 1956, is in DEFE 2/1773.