Commonwealth War Graves Commission: www.cwgc.org/
General Register Office (England and Wales): https://www.gro.gov.uk/gro/content/certificates/login.asp/
Booth Poverty Map and Notebooks: booth.lse.ac.uk/
National School Admission Registers and Logbooks, 1870-1914: findmypast.com
A History of the County of Middlesex: Volume 10, Hackney. Originally published by Victoria County History, London, 1995: https://www.british-history.ac.uk/vch/middx/vol10/
Google maps (for travel times): https://www.google.com/
Anglo-Jewry’s Experience of Secondary Education from the 1830s until 1920, Emma Tanya Harris, UCL Ph.D. Thesis 2007: https://discovery.ucl.ac.uk/id/eprint/1444779/1/U592088.pdf
British Army Officer Service Records, 1914–1922: https://www.nationalarchives.gov.uk/help-with-your-research/research-guides/british-army-officers-after-1913/
British Army war diaries 1914-1922: https://www.nationalarchives.gov.uk/help-with-your-research/research-guides/british-army-war-diaries-1914-1922/
National Library of Scotland, British First World War Trench Maps, 1915-1918: https://maps.nls.uk/ww1/trenches/
McMaster University WW1 Maps: https://library.mcmaster.ca/maps/ww1/ndx5to40.htm
London Gazette: https://www.thegazette.co.uk/
British Army Medal Index cards 1914-1920: https://www.nationalarchives.gov.uk/help-with-your-research/research-guides/british-army-medal-index-cards-1914-1920/
World War I Roll of Honour – The Clove Club Hackney Downs School: https://www.yumpu.com/en/document/view/17094170/world-war-i-roll-of-honour-the-clove-club-hackney-downs-school/