First World War Portal (AM Explorer/Adam Matthew Digital) This link opens in a new window“Revealing the voices and experiences of the men and women who served in the First World War, this rich and varied collection will be an invaluable source for anyone studying and researching the ‘Great War’. Material includes letters and diaries of service people, maps, photo albums, artwork, oral histories, official documents, newspapers, posters and much more, covering all aspects of the global conflict.”