A little known research source in London for Military History. Mainly London Regts WW1 & before, but maybe helpfull for researchers of these formations. If anyone is a member of a WW1 Forum, maybe you could post on there. Rob Bishopsgate Institute & Library 230 Bishopsgate, London, EC2M 4QH 020 7392 9270 D57 Military Affairs, City Regulars, Volunteer Forces. Raising and Reviews of Armies. Barracks. Air Squadrons D57.1 Trained Bands D57.2 Honourable Artillery Company & other Artillery Companies D57.3 Rifle Brigades D57.4 City of London Imperial Volunteers D57.5 Yeomen of the Guard D57.6 Militia - inc. 26th Middlesex Cycling Volunteers D57.7 London Scottish D57.8 Lambeth & Southwark Volunteers D57.9 Middlesex Volunteer Engineers D57.10 Defence of London - Woolwich Arsenal D57.11 London Cyclist Battalion D57.12 13th London (Kensingtons) D57.13 City of London & Westminster Dragoons D57.14 Royal Fusiliers D57.15 Gentlemen at Arms D57.16 Kent & County of London Yeomanry D57.17 Royal Horse Guards & Foot Guards D57.18 City of London Yeomanry D57.19 291st Field Regiment D57.20 7th Battalion ( London Regiment) D57.21 23rd London Regiment D57.22 Royal Regiment D57.23 47th London Division D57.24 Middlesex Regiment D57.25 Inns of Court Regiment D57.26 Royal Army Medical Corps D57.27 Westminster Dragoons D57.28 City of London Army Cadet Force & S.E. Cadet Force D57.29 Middlesex Yeomanry D57.30 60th Division ( 2/2nd London ) D57.31 56th Division ( London Territorials) D57.32 90th Field Regiment D57.33 2/19th London Regiment D57.34 2/20th London Regiment