The Hemel Hempstead School website
Bertha and Chris Reynolds, The London Gunners Come to Town: Life and Death in Hemel Hempstead in the Great War (1995).
Memories of the WWII evacuee camp at St Margaret's, Great Gaddesden.
The Leverstock Green Chronicle which contains material on both world wars and many other aspects of the past in relation to Leverstock Green. The producer of the site has asked that if anybody using it finds any broken links on the page, please use the contact details on that site to let them know.
Free teaching packs are available from Historic Newspapers (based in Harpenden) to help students discover the causes and consequences of historical events, specifically a book on World War I.