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• General records of the War Office and predecessors and successor WO 321845-1999War Office and successors: Registered Files (General Series)

  This series comprises registered files of the War Office dealing with all aspects of the administration of the departments and the armed forces. They include files opened in the War Office and continued in the Ministry of Supply (SUPP) after 1939; and files pertaining to functions restored to the War Office in 1959.

  With the unification of the Ministry of Defence in 1964, the War Office became the Army Department of the Ministry of Defence, its registered files are generally to be found thereafter in DEFE 70, but there is some overlap with this series.

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• General records of the War Office and predecessors and successor WO 33 1853-1969 War Office: Reports, Memoranda and Papers (O and A Series)
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• Private office papers and private collections WO 34 1712-1786 War Office: Baron Jeffrey Amherst, Commander in Chief: Papers
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• Records of the Army in Ireland WO 35 1775-1923 War Office: Army of Ireland: Administrative and Easter Rising Records
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• Records of the Armed Forces from commands, headquarters, regiments and corps WO 36 1773-1799 War Office: Military Headquarters, North America: Entry Books, American Revolution
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• Private office papers and private collections WO 37 1762-1922 War Office: General Sir George Scovell, Intelligence Branch of Quartermaster General in Spain, later Chief Cipher Officer: Papers
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• General records of the War Office and predecessors and successor WO 38 War Office: Maps
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• Records of Commissions, Committees and Councils, etc. WO 39 South African War Claims
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• General records of the War Office and predecessors and successor WO 40 1753-1815 War Office: Secretary-at-War, In-letters and Reports
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• Records of finance departments WO 41 1810-1828 Secretary-at-War: Office of Army Accounts: In-letters relating to Accounts ('A' Papers)
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• Armed Forces Service Records WO 42 1755-1908 War Office: Officers' Birth Certificates, Wills and Personal Papers
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• General records of the War Office and predecessors and successor WO 43 1803-1857 War Office: Secretary-at-War, Correspondence, Very Old Series (VOS) and Old Series (OS)
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• Records of the Ordnance Office and its successors at the War Office WO 44 1682-1873 Ordnance Office and War Office: Correspondence
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• Records of the Ordnance Office and its successors at the War Office WO 45 1783-1870 Ordnance Office and Office of the Commander in Chief: Reference Books to Correspondence
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• Records of the Ordnance Office and its successors at the War Office WO 46 1660-1861 Ordnance Office: Out-letters
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• Records of the Ordnance Office and its successors at the War Office WO 47 1644-1856 Ordnance Office: Board of Ordnance: Minutes
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• Records of the Ordnance Office and its successors at the War Office WO 48 1660-1847 Ordnance Office: Ledgers
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• Records of the Ordnance Office and its successors at the War Office WO 49 1592-1858 Ordnance Office: Various Accounts
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• Records of the Ordnance Office and its successors at the War Office WO 50 1677-1778 Ordnance Office: Bill Books (Series I)
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• Records of the Ordnance Office and its successors at the War Office WO 51 1630-1806 Ordnance Office: Bill Books (Series II)
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• Records of the Ordnance Office and its successors at the War Office WO 52 1782-1859 Ordnance Office: Bill Books (Series III)
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• Records of the Ordnance Office and its successors at the War Office WO 53 1660-1822 Ordnance Office: Bill Books (Series IV)
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• Records of the Ordnance Office and its successors at the War Office WO 54 1594-1871 Ordnance Office and War Office: Entry Books and Registers
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• Records of the Ordnance Office and its successors at the War Office WO 55 1568-1923 Ordnance Office and War Office: Miscellaneous Entry Books and Papers
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• Records of the Commander-in-Chief, Military Secretary and Army Council WO 57 1806-1826 Office of the Commander-in-Chief: Commissariat Department: In-letters
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• Records of the Commander-in-Chief, Military Secretary and Army Council WO 58 1793-1888 War Office and predecessors: Commissariat Department: Out-letters
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• Records of the Commander-in-Chief, Military Secretary and Army Council WO 59 1816-1854 Treasury: Commissariat Department: Minutes
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• Records of the Commander-in-Chief, Military Secretary and Army Council WO 60 1774-1858 War Office and predecessors: Commissariat Department: Accounts
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• Records of the Commander-in-Chief, Military Secretary and Army Council WO 61 1791-1889 War Office and predecessors: Commissariat Department: Registers
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• Records of the Commander-in-Chief, Military Secretary and Army Council WO 62 1798-1885 War Office and predecessors: Commissariat Department: Miscellaneous Letter Books and Papers
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