books.google.fr - Featuring a wealth of new information and the work of acclaimed scholars from around the world, this monumental resource is the new standard reference on the 20th century's most influential conflict. * 1,219 A-Z entries covering military culture and tactics for all engaged armies in unprecedented depth,...https://books.google.fr/books/about/World_War_I.html?hl=fr&id=2YqjfHLyyj8C&utm_source=gb-gplus-shareWorld War I