Royal Fusiliers archive
The regiments covered are:
7th Regiment of Foot pre 1881
City of London Regiment 1881-1968
The battalians covered are:
1st, 2nd, 3rd and 4th Battalion of the London Regiment 1908-1937.
The Royal Fusiliers Archive also hold copies of Battalion Diaries for both World Wars and Regimental Enlistment Books for the period 1919-1939. The details in these books may vary.
The Archivist would require the surname, initials and/or army number to undertake any enquiry.
The Royal Fusiliers Archive charge a £10 non-refundable research fee per hour and reserve the right to recommend a reputable Researcher who will quote their own fee if your enquiry is outside the remit of the Archivist.
Other places to look
www.findmypast.co.uk/home have now added records to their extensive range of genealogical sources. The military section includes soldiers discharged to pension from 1760 to 1913. Medal Rolls for the Anglo-Boar War 1899-1902 are here.