Europeana 1914-1918 British Pathe's collection of World War I films The First World War Poetry Digital Archive (Oxford University) World War I (British Library) World War I At Home (BBC Four) Lives of the First World War Trench Maps and Aerial Photographs (McMaster University) Mission Centennaire 14-18 See also NARA's Centennial site, Library and Archives Canada's site, and the Library of Congress's World War I web guide.