TNA podcast: An Introduction to Tracing Battalions or Regiments of the British Army during the Great War

David Langrish, a Reader Advisor in the Family History team at The (UK) National Archives with a particular interest in military records, presented this talk on the sources for tracing WW1 military history on December 6 last. Building on information from an individual's service record or medal card as a lead it describes using regiment, battalion, brigade and division histories, unit war diaries, trench and situation maps, photographs and other sources such as POW interviews to find out more details on war service.

http://media.nationalarchives.gov.uk/