usma.edu | Map Library, Dept of History, United States Military Academy |
worldwar1.com | The Legends and Traditions of the Great War |
rapidintellect.com | The Great War in the Classroom |
ibiscom.com | EyeWitness: World War One |
firstworldwar.com | First World War.com - A Multimedia History Of World War One |
ntlworld.com | British and Commonwealth Mining Operations on the Western Front |
bham.ac.uk | Centre for First World War Studies |
wfa-usa.org | Western Front Association - United States Branch |
westernfront.nl | The Western Front Museum |
virginia.edu | University of Virginia Library - Joseph M. Bruccoli Great War Collection |