Commander Bower's papers consist of press cuttings and correspondence with some of the leading naval figures of the time, chiefly dating from the Second World War and the late 1930's. Subjects covered by the correspondence chiefly include concerns about the state of the Navy (particularly its relations with the Royal Air Force) and also criticism of the leadership of Winston Churchill.

The collection comprises material relating to Ashmore's active service in World War I in the Baltic and Russia; material for a naval lecture (1938) and correspondence with Admiral of the Fleet Sir Edward Ashmore relating to Ashmore's career.

Photograph albums and personal and career documentation.

The collection of Hill-Norton's papers held at Churchill Archives Centre relate to the later part of Hill-Norton's career. It includes personal and official correspondence, letters to the press, speeches and articles covering defence and military issues and controversial political issues, such as the repeal of section 28 and the ordination of women.

Copies of letters by Howard-Johnston describing his wartime service, including his work as Director of the Anti-U-Boat Division, and as captain of HMS Bermuda, with the British Pacific Fleet (1947). Subjects include: Cabinet Anti-U-Boat meetings; difficulties with the lack of understanding at the Admiralty of anti-U-Boat operations; German success in evading Asdic; service with Admiral Sir Denis Boyd [Commander-in-Chief, British Pacific Fleet].

Papers comprising diaries, correspondence, manuscripts of books, articles, lectures, broadcasts, preparatory notes, copies of original papers used in research, card indexes, subject files for the official naval history of the Second World War, press cuttings, microfilms and photographs.

The papers consist of 5 volumes of his First World War diaries and 4 files relating to his memoirs.

The papers include correspondence with naval historians and with colleagues on the Naval Review, some personal papers, reminiscences and records and also narratives from Japanese prisoner of war camps.

The papers chiefly consist of correspondence, naval messages and photographs from Edelsten's time with the Mediterranean and Pacific Fleets.

The papers relate to the setting up of Room 40 and the Naval Intelligence's code-breaking activities in the First World War and to Clarke's service in the Government Code and Cypher School from 1922 to 1945.

The collection contains papers and correspondence, mainly relating to the period of the First World War, and especially to Carden's involvement in the naval campaign at the Dardanelles.

Annotated typescript texts of seven lectures given by Richmond at the Royal Naval College, Portsmouth [Hampshire] on the War of the Austrian Succession, concentrating on the naval aspects of the war between Britain, France and Spain.