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Photograph of women working in a munitions factory (Catalogue reference: MUN 4/185)

This is a brief guide to researching British government and military records of the First World War. First World War records are wide-ranging and are kept in a variety of archives. This guide will help you gain a general overview of the main sources of the information that exists, and where to find it. This guide is for people interested in the subject of the First World War as opposed to those interested in finding a specific person involved in the conflict.

  • What records can I see online?

    • Cabinet papers (1915-1978)

      Search records of the Cabinet Office for documents concerning decisions and discussions before, during, and after the First World War.

  • What records can I find at The National Archives at Kew?

    • British army unit war diaries (1914-1922)

      Search the Catalogue in WO 95 by battalion number and regiment for war diaries for the First World War.  These were daily accounts of operations.

    • General records

      Search, browse and consult the following departmentsdepartment - The highest level in our records hierarchy, usually corresponding to the government department of origin to gain an overview of the First World War from various government and military records:

      • War Office (WO), Admiralty (ADM) and Air Force (AIR) - this is where most armed forces and general war records will be found
      • Foreign Office (FO) - correspondence, policy and negotiation with other states
      • Prime Minister's Office (PREM) - mainly correspondence to and from the Prime Minister's office
      • Home Office (HO) - this series focuses on domestic and internal affairs
  • What records can I find in other archives and organisations?

    • Wartime diaries and personal papers (1914-1918)

      Visit the Imperial War Museum website for information on how to access records in their document archive and on the various collections held by the museum relevant to the First World War.

Did you know?

There are many records covering conflicts and wars at The National Archives. Try searching the Catalogue with a specific term, name or subject to help focus your search.

The most popular records on the subject of the First World War at The National Archives are within departments WO, HO, PREM and FO.

There is likely to be some overlap between separate departmentsdepartment - The highest level in our records hierarchy, usually corresponding to the government department of origin on any given subject. For example, a decision made during the First World War may have been informed by the Foreign Office (FO), discussed by the Cabinet (CAB) and Prime Minister (PREM) and then carried out by the Army (WO) and Navy (ADM).